You want to subtract a number from 20. When you mistakenly divide 40 by a number, the result is 5. What is the correct calculation result?
20 40 5 [OP_DIV] [OP_SUB]
var_a = 20
var_b = 40
var_c = 5
var_d = var_b / var_c
var_e = var_a - var_d
print(int(var_e))