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❌ '10000000000000000/1' must be calculated to the value '1e+16', but was '10000000000000000'
input expression: expression: 10000000000000000/1
reverse polish notation: 10000000000000000 1 / 
infix notation: (10000000000000000 / 1)
polish notation: / 10000000000000000 1 
calculated result: 10000000000000000

❌ '1/10000000000000000' must be calculated to the value '1e-16', but was '0.0000000000000001'
input expression: expression: 1/10000000000000000
reverse polish notation: 1 10000000000000000 / 
infix notation: (1 / 10000000000000000)
polish notation: / 1 10000000000000000 
calculated result: 0.0000000000000001

❌ '(3/2)*(10000000000000000/1)' must be calculated to the value '1.5e+16', but was '15000000000000000'
input expression: expression: (3/2)*(10000000000000000/1)
reverse polish notation: 3 2 / 10000000000000000 1 / * 
infix notation: ((3 / 2) * (10000000000000000 / 1))
polish notation: * / 3 2 / 10000000000000000 1 
calculated result: 15000000000000000

❌ '6/2(1+2)' is expected to be calculated to the expression '(6 / 2(1+2))', but was '(calculated)'
input expression: expression: 6/2(1+2)
reverse polish notation: 6 2(1+2) / 
infix notation: (6 / 2(1+2))
polish notation: / 6 2(1+2) 
calculated result: 3

❌ '(2*3)/2(1+2)' is expected to be calculated to the expression '(6 / 2(1+2))', but was '(calculated)'
input expression: expression: (2*3)/2(1+2)
reverse polish notation: 2 3 * 2(1+2) / 
infix notation: ((2 * 3) / 2(1+2))
polish notation: / * 2 3 2(1+2) 
calculated result: 3