[Challenge] Calculate the volume of a cone

Question

Calculate the volume of a cone with a user given radius of the base and height. Easy peasy!
Any language you want, here is mine in c++
https://code.sololearn.com/cl3o5nlDQPOr/?ref=app

Answer 1

System.out.print (3.14*Math.pow(r,3)*h);

Answer 2

JavaScript one liner:
https://code.sololearn.com/WdJzALLjopFc/?ref=app

Answer 3

in python

from math import pi
r=int(input())
h=int(input())
print(pi*r*r*h/3)

Answer 4

https://code.sololearn.com/c2xBDRc17XO2/?ref=app