You are trying to find the number of vertices of a shape. If this figure is a cube, find the number of vertices.
6 2 [OP_SUB] 2 [OP_MUL]
var_a = 6
var_b = 2
var_c = var_a - var_b
var_d = 2
var_e = var_c * var_d
print(int(var_e))