10
14/  5+2 * (3 - 1)
2^3 ^ 2
(2 ^ 3) ^ 2
5*2 ^ 5-4
( ((7 * (2 - 5) ) )/ 2 )
6 /0
1 ^ (3 - 4)
-1
2 + - 3
5 * (6 / (4 - 1)