Is it the adventures of a mathematical desert island? The story is about a beautiful math island with a magical wish code. As long as the numbers generated by Kabu and the symbols on "addition, subtraction, multiplication and division" are correctly filled in, any wish can be realized. ? In order to realize his ambition to rule the world, the doctor is bent on getting five caboose. With the efforts of Roark, a mathematical genius, and his partners, the plot of the doctor was finally shattered. The doctor fell into the door of desire and went back to the past. ? After returning to the island of mathematics, the doctor pretended to be the prince of mathematics and continued his story more crazily. Roark and his partner Qi Xin worked together to defeat the plot of the "prince of mathematics" again and again and restore the peace of the mathematical island.