You want to multiply 20 by some number. I mistakenly multiplied 10 by the number, and the result was 40. What is the correct calculation result?
20 40 10 [OP_DIV] [OP_MUL]
var_a = 20
var_b = 40
var_c = 10
var_d = var_b / var_c
var_e = var_a * var_d
print(int(var_e))