What? You Got Full Marks, You Said You Understand a Little Bit?

Su Yi traveled through high school, and along with it, there was also the system that came with it! Su Yi, who received help from the system, had divine help. The top student in the class: "Su Yi, how are you doing in math? This math is so difficult, I can't do a lot of it!" Su Yi: "Mathematics, I understand it a little bit, I understand it a little bit!" At this moment, a loud voice came from the school radio. "Warmly congratulate Su Yi, who received a perfect score of 150 points in this mathematics test!" Class leader: "????" What? I got full marks on the test, but you say you understand a little bit??? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.