You sold 40 toys on Day 1. On Day 2, you sold 4 times the number of toys sold on Day 1. Find out the number of toys you sold more on Day 2 compared to Day 1.
40 4 [OP_MUL] 40 [OP_SUB]
var_a = 40
var_b = 4
var_c = var_a * var_b
var_d = 40
var_e = var_c - var_d
print(int(var_e))