What is the volume of a cuboid-shaped water tank with a capacity of 36 liters (L) if the length, width, and height are all doubled?
36 2 3 [OP_POW] [OP_MUL]
var_a = 36
var_b = 2
var_c = 3
var_d = var_b ** var_c
var_e = var_a * var_d
print(int(var_e))