There are three pyramids (a), (b), and (c). Given that the sum of the vertices of the three pyramids is 40, what is the sum of the edges of these pyramids?
40 3 [OP_SUB] 2 [OP_MUL]
var_a = 40
var_b = 3
var_c = var_a - var_b
var_d = 2
var_e = var_c * var_d
print(int(var_e))