Input: (3+4*2)/(1-(9-5)*2)
TOKENS: [(PARENTHESIS,(), (LITERAL,3), (OPERATOR,+), (LITERAL,4), (OPERATOR,*), (LITERAL,2), (PARENTHESIS,)), (OPERATOR,/), (PARENTHESIS,(), (LITERAL,1), (OPERATOR,-), (PARENTHESIS,(), (LITERAL,9), (OPERATOR,-), (LITERAL,5), (PARENTHESIS,)), (OPERATOR,*), (LITERAL,2), (PARENTHESIS,))]
[3, 4, 2, *, +, 1, 9, 5, -, 2, *, -, /]
SHOW_OPS: 4*2
SHOW_OPS: 3+8
SHOW_OPS: 9-5
SHOW_OPS: 4*2
SHOW_OPS: 1-8
SHOW_OPS: 11/-7
-1.57142857142857142857142857142857142857142857142857