It Is Very Reasonable to Learn How to Open the Portal from the Mathematical Olympiad Class

Bailu, was originally an ordinary student with a serious partiality in subjects. After signing up for a Mathematics Olympiad remedial class, he was shocked. What? Mathematical Olympiad class teaches how to open a portal? What? How does the Mathematical Olympiad class teacher use alchemical equivalents to transform a sniper rifle? What? Mathematical Olympiad class teaches how to convert arcane energy into elements.... Wait, what is arcane energy? Oh... It turns out this is an arcane supplementary class... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.