Expression: 43 + 2 * 7
Infix: 43 + 2 * 7 
Postfix: 43 2 7 * + 
Prefix: + 43 * 2 7 
Value: 57

Expression: 2 + 3 + 555
Infix: 2 + 3 + 555 
Postfix: 2 3 + 555 + 
Prefix: + + 2 3 555 
Value: 560

Expression: 5 / 67 * 29
Infix: 5 / 67 * 29 
Postfix: 5 67 / 29 * 
Prefix: * / 5 67 29 
Value: 0

Expression: 33 + 5 * 6 - 88
Infix: 33 + 5 * 6 - 88 
Postfix: 33 5 6 * + 88 - 
Prefix: - + 33 * 5 6 88 
Value: -25

Expression: 34 + 4 * 21 / 7 + 14
Infix: 34 + 4 * 21 / 7 + 14 
Postfix: 34 4 21 * 7 / + 14 + 
Prefix: + + 34 / * 4 21 7 14 
Value: 60

Expression: 48 + 36 % 7 - 2
Infix: 48 + 36 % 7 - 2 
Postfix: 48 36 7 % + 2 - 
Prefix: - + 48 % 36 7 2 
Value: 47

Expression: 19
Infix: 19 
Postfix: 19 
Prefix: 19 
Value: 19