43 is the result of accidentally adding 5 to a number that should be multiplied by 5. How much do you calculate correctly?
43 5 [OP_SUB] 5 [OP_MUL]
var_a = 43
var_b = 5
var_c = var_a - var_b
var_d = 5
var_e = var_c * var_d
print(int(var_e))