Everything is as simple as Cao's ending

And the hostess finally came together.

From modern mathematical elite to ancient drag bottle. Stepfather doesn't like it, mother doesn't love it, and only brother lives alone. What? In school, you don't teach poetry or painting, but you teach divination and fortune telling? Even the homework predicts whether it will rain or sunny tomorrow. God, where the hell is she? Can she submit a transfer application? Wait, this mysterious and mysterious study of Yi Li, she can actually figure it out mathematically? Everything seems easy, so be careful.