If the ratio of the radii of two bowling balls is 1:2 and the volume of the small ball is 36 cubic centimeters (cm3), what is the volume of the large ball?
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))