Cultural Gap, Starting with Memorizing the Multiplication Tables

This is a world with cultural gaps. What? The per capita cultural level of the people remains at the age of two or three? Are you an elite after graduating from primary school? Is there very little junior high school culture? There is almost no high school culture? Su Chen's heart was beating wildly. Wouldn't the cultural level of his high school graduation be invincible? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.