A small cube was dug out of the edge of the cube that has the length of edge being 12 centimeters (cm). If the length of the edge of the small cube is 4 centimeters (cm), find the surface area of the portion left after the cutout.
12 12 [OP_MUL] 6 [OP_MUL] 4 4 [OP_MUL] 4 [OP_MUL] 12 [OP_MUL] [OP_ADD]
var_a = 12
var_b = 12
var_c = var_a * var_b
var_d = 6
var_e = var_c * var_d
var_f = 4
var_g = 4
var_h = var_f * var_g
var_i = 4
var_j = var_h * var_i
var_k = 12
var_l = var_j * var_k
var_m = var_e + var_l
print(int(var_m))