What is the sum of the lengths in centimeters (cm) of all the edges of a cube with one edge length of 15 centimeters (cm)?
15 4 3 [OP_MUL] [OP_MUL]
var_a = 15
var_b = 4
var_c = 3
var_d = var_b * var_c
var_e = var_a * var_d
print(int(var_e))