Calculate 24 is a classic math puzzle game;
The rules are very simple: use 4 digital cards and add, subtract, multiply and divide 24. Each number should be used, and can only be used once. After you try, you will find that some of the questions are very simple and have a lot of solutions; while others are very difficult, you can not even think of the solution in a single day. For example, you can now try to calculate 24 with 3456!
Come try it!