Train it howewer you want, if you use the 9 labels
Nothing, 1st Quadrant, 2nd Quadrant, 3rd Quadrant, 4th Quadrant, Plus, Subtract, Times, Divide.
For the quadrants, hold your hand in front of your quadrant of choice. For the operations, form your hands to make the symbol of the operation: +, -, ×, /.
Hold your hand in front of a quadrant to select it. Then choose an operation. You can use addition, subtraction, multiplication and division. If you choose another quadrant after that, it will perform your operation on the two quadrants. The goal of the game is to make the number 24 when you have only one quadrant left.
A quadrant can be one of four sections of the window. The 1st is top right, the 2nd is top left, the 3rd is bottom left and the 4th is bottom right.