24 game Calculator

Please input four Integers：

    
Result：
  

The 24 Game is to find a way to manipulate four integers let the result is 24. For example to 2 3 4 5, the one possible solution is 2*((3+4)+5).

The gamn commonly is used in card game, you can use the operation addition, subtraction, multiplication, or division, and other operations.

To this 24 game calculator could gives you all of the possile results after you type in 4 numbers in input area.

For example, you enter 3 4 5 6

The possible result are:
(3-(4-5))*6
((3-4)+5)*6
((3+5)-4)*6
(3+(5-4))*6
((5+3)-4)*6
(5+(3-4))*6
(5-(4-3))*6
((5-4)+3)*6
6*(3-(4-5))
6*((3-4)+5)
6*((3+5)-4)
6*(3+(5-4))
6*((5+3)-4)
6*(5+(3-4))
6*(5-(4-3))
6*((5-4)+3).----There is no more!----