When others encounter the system, they enter a world that is known to be very interesting just by hearing the name, but Wang Qing encountered a Chinese textbook. How could "Peach Blossom Spring" be related to the Battle of Feishui? In "Cao Gui Controversy" Being involved in the Battle of the Long Spoon, "The Charcoal Seller"... Wang Qing's heart was bitter. It was not until a long time later that he remembered that when he put the book, he seemed to put the Chinese and history textbooks together. Woke up. He could barely accept these things. What really terrified him was that after returning to the real world, he actually found a math book in the box of Chinese and history books. What will become of myself? Decimal point? To see who is not pleasing to the eye, run two digits forward on his bank passbook? Or zero? When you meet poor people, add two more doubles at the back?