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"This is the hotel's daily turnover. There is no cost and no tax." Ouyang Jiu took out a form and handed it to Li Xiao Jun.

Li Xiao Jun took it and roughly glanced at it.

"All projects are separate... Is there no concentration? " Li Xiao Jun said.

"Generally speaking, the total turnover is deducted from costs and taxes at 12 o'clock every night. I haven't even saved the forms from a few days ago. Let me see them. " Ouyang Jiu took the form from Li Xiao Jun.

"Forget it, anyway …"

"The price of drinks is 4.7 million, hot springs are 1.6 million, housing is 2.5 million, videos are 7.9 million, and the total income from the entertainment project's comprehensive casino film game is 3.2 million." Ouyang Jiu looked at the densely packed numbers on the table and said without hesitation, "There is a total of 19,970,000. The net income after deducting taxes and costs is …" Ouyang Jiu blinked his eyes as if he was calculating something mentally and said, "The total net income is 9,674,654 yuan."

Li Xiaoyan was dumbstruck. After a while, he reacted and said, "This …" Is this what you calculated in your heart? "

Ouyang Jiu smiled and said, "That's right. I have a small talent for numbers. "

You call that a small talent?

Li Xiaoyan hesitated for a moment before saying, "About that …" Can I check with the calculator? "

"Of course."

Li Xiaobing took out his cell phone and turned on the calculation function.

"Let me see …" vodka 250,000, Brooklyn beer 310,000... "

There were hundreds of all the alcohol, housing and food entertainment projects combined. It took a full half an hour for Li Xiaojun to calculate the total turnover of 19,970 yuan. Calculating the total cost took another half an hour. After deducting the taxes and eliminating the costs, the final cost was...

Nine million six hundred and fifty-four dollars, exactly.

"Heavens …" Li Xiao Jun looked at the verification results on his phone, "Nona, you're too awesome!"

Ouyang Jiu waved his hand and said, "That's nothing. It's just elementary math."

Li Xiaojun seemed to see a cunning light flash through Ouyang Jiu's lens. Thinking about it, how could Li Mo that guy have any normal people under his command?

"Nona, are you familiar with numbers?"

Ouyang Jiu stroked his golden hair and thought for a moment before saying, "You can say that you are proficient in probability calculation. As for the limit integration, calculus, spatial geometry, and spatial analytic geometry, they weren't quite familiar with them. "Besides, I've been quite busy at the hotel recently and I'm a bit unaccustomed to it."

Two words flashed across Li Xiaoyan's mind — cherish life, stay away from the top student.

"However, this kind of math doesn't have much use in life." Ouyang Jiu said, "I was just studying it out of interest."

Li Xiaojun thought for a moment, then said, "Then... Nona, can you predict the poker card's points? "

"Puchi …" Ouyang Jiu suddenly laughed and said, "How could that be possible? If I can predict the number of points you will have, do I still need to work to earn money?"

"Haha, that's true …"

"But if it's a prediction probability, then I'm quite good at it." Ouyang Jiu said, "It should be feasible."

It suddenly occurred to Li Xiaobing that Ouyang Jiu had started to calculate his business just a moment ago with a single glance. Other than the unimaginable calculation speed, she did not take a second look. Perhaps her memory was also extraordinary.

"Nona, let me ask, how is your memory?"

"Hmm? "Memory?" Ouyang Jiu said, "Not bad. Short-term memories are very fast, but the things you remember cannot be remembered for too long." Why did you ask about this? "

"Right, let's test it. Is there a poker card here? "

"Yes, there are new cards in the cabinets of each room." Ouyang Jiu said, "In the Black Mamba Palace room, after the guests check out, everything that we use will be replaced with something new. What's the matter, Xiao Jun, do you want to play cards with me? " Ouyang Jiu cunningly blinked his eyes and said, "You won't be able to play my cards."

Li Xiaobing knew that he was no match for such a math genius.

Li Xiaojun took out a brand-new pack of poker cards from the cabinet. After he washed the cards, he placed them in front of Ouyang Jiu and said, "If you want to remember the order of these poker cards, how long will it take?"

Ouyang Jiu lowered his head and glanced at the cards. They had been laundered very messily, without the slightest pattern. Ouyang Jiu took a cursory glance and said, "I'll remember it."

"What?" Li Xiaojun was stunned. It had only been two seconds. For normal people, they wouldn't even look at a few cards.

"I'll remember that." Ouyang Jiu smiled confidently. "If you don't believe me, you can test me."

"Alright." As Li Xiao Jun spoke, she picked up all the poker cards, flipped them over, and once again laid them out on the table. She pointed to one and asked, "What is this card?"

"Five of Hearts." Ouyang Jiu said without hesitation.

Li Xiaobing turned the cards over and saw five big hearts.

"Then... "What about this one?" Li Xiaojun pointed to another card.

"Two of Spades."

"What about this one?"

"Nine of Spades."

"What about this one?"

"This is the Plum Blossom Q."

Li Xiaojun had drawn nearly twenty cards, none of them were wrong.

"Oh my god, Nona, you are really amazing."

Ouyang Jiu smiled and said, "I just remembered a few poker cards. There's nothing special about it."

Li Xiaoyan washed the poker cards in his hands and said, "You said you can calculate the probability, but how do you calculate this?"

"There are only 52 cards in total. Although there are a lot of changes, it is still limited." Although I can't say exactly what the next card is, but it's still possible to calculate the probability. "

"In that case, give it a try. "How do we calculate this?"

Ouyang Jiu said, "Let me take a look at the few cards at the front, about four of them."

Li Xiaobing sent out four cards. They were Red Peach A, Nine of Diamonds, Six of Diamonds, and K of Spades.

Ouyang Jiu looked at the cards on the table and closed his eyes, frowning slightly. Li Xiaojun seemed to be able to hear the sound of him tapping on the computer keyboard. Not long after, Ouyang Jiu raised his head and said, "The next card, the one with the highest probability is Plum Blossom 2 with 32%, 16% is Spade 5, 20% is Red Peach J, 17% is Spades 4, and the other cards have a probability of less than 10%. The one with the lowest probability is Spade Q, which is 0.37%. "

Li Xiaojun felt dizzy listening to this. He flipped open the next card.

Plum Blossom Two.