a solid metallic spherical ball of diameter 6 cm is melted and recast into a cone with diameter of the base as 12 cm . the height of the cone is :
n0 = 6.0
n1 = 12.0
t0 = 3.0 * 4.0
t1 = n0 * n0
t2 = t0 * 3.0
t3 = t2 * 3.0
answer = t3 / t1
print(answer)