Students are standing in 8 rows of 4 each. Find the number of students standing at the perimeter.
4 8 [OP_ADD] 2 [OP_MUL] 4 [OP_SUB]
var_a = 4
var_b = 8
var_c = var_a + var_b
var_d = 2
var_e = var_c * var_d
var_f = 4
var_g = var_e - var_f
print(int(var_g))