암산게임(수학, 덧셈, 뺄셈, 곱셈)

After adding the given number and price, subtract the price that the user purchases from the amount collected (the total amount), input the appropriate price and press the button (correct answer!) To confirm the correct answer.
You have to enter the correct answer within the time limit, and the game will move on to the next game.

Developer: Kim Tae Hyun
Supporter: Mr. Lee Sang Sun

Developer email: kth7391@naver.com