2*3+4
postfix expression:  2  3  MUL  4  PLS 
10
2+3*4
postfix expression:  2  3  4  MUL  PLS 
14
(1+2)*(3+4)
postfix expression:  1  2  PLS  3  4  PLS  MUL 
21
1+2+3
postfix expression:  1  2  3  PLS  PLS 
6
(1+2)*3
postfix expression:  1  2  PLS  3  MUL 
9
2*(3*(1+2))-1
postfix expression:  2  3  1  2  PLS  MUL  MUL  1  MNS 
17
1-2^3^3+4+5*6*7
postfix expression:  1  2  3  3  EXP  EXP  MNS  4  PLS  5  6  MUL  7  MUL  PLS 
-134217513
1+2*3*4
postfix expression:  1  2  3  4  MUL  MUL  PLS 
25
1+2*3+4
postfix expression:  1  2  3  MUL  4  PLS  PLS 
11
1+2-3^4
postfix expression:  1  2  PLS  3  4  EXP  MNS 
-78
1^2-3*4
postfix expression:  1  2  EXP  3  4  MUL  MNS 
-11
1+2*3-4^5+6
postfix expression:  1  2  3  MUL  PLS  4  5  EXP  MNS  6  PLS 
-1011
(1+2)*3-(4^(6-5))
postfix expression:  1  2  PLS  3  MUL  4  6  5  MNS  EXP  MNS 
5
(1+2)+4*(3+5)
postfix expression:  1  2  PLS  4  3  5  PLS  MUL  PLS 
35
(1+2)*(3+5)
postfix expression:  1  2  PLS  3  5  PLS  MUL 
24
2*3+4-(5-2)*6+(2*(3-2))
postfix expression:  2  3  MUL  4  PLS  5  2  MNS  6  MUL  MNS  2  3  2  MNS  MUL  PLS 
-6