"This..."

Witt and Robert were surprised at the same time. They had a lot of conjectures, but in any case, they didn't expect that Dake's Christmas gift would be two notes!

"Why did he send us notes?" Robert said

Witt's face became ugly: "maybe in his opinion, this is exactly what we need."

Robert shrugged. "He certainly doesn't know how hard we studied when we were in jail. This notebook is of limited use to us."

Witt opened his arithmetic notes and said, "this is a photocopy. The original should be the notes he took in class. From [the new day after 6 o'clock, continue to make up for yesterday's update!]"