On the left side of the screen, there is an arithmetic problem, and on the right side of the screen, there are several numbers. You need to hold the screen and move your finger to control the bear's bow and arrow to hit the answer of the math problem, otherwise, you will lose a chance. When the cumulative error exceeds 3 chances, the game is lost.

Victory: Answer the question correctly, hit the corresponding target, and pass the current level to pass the level
Failure: hit the wrong question or shoot the wrong target, reach 3 times, the game will fail