Make a Number game (“LETTERS & NUMBERS”)

GAME INFO
Make a number online game. Numeric part of "Numbers & Letters" famous TV game. Given a target number, use the four given numbers plus the four operations, addition, subtraction, multiplication and division, to get the number. An important rule of the game is to use all the numbers, so think through the mathematical operations to come up with the number asked for in this game to solve the problem of getting the given number as the result of the operations. When you perform an operation, two numbers become one, and you have to use this result in the new operation.