If you put 10 pieces of square paper in each horizontal and vertical line without gaps, you get a large square. Find the number of pieces of paper placed around the perimeter.
10 4 [OP_MUL] 4 [OP_SUB]
var_a = 10
var_b = 4
var_c = var_a * var_b
var_d = 4
var_e = var_c - var_d
print(int(var_e))