(a), (b), and (c) are all pyramids. If the sum of the vertices of the three pyramids is 40, what is the sum of the edges of the three 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))