#!/bin/bash

pi=3.14

echo "Podaj R:"
read r

obj=$(awk "BEGIN {printf \"%.2f\",(4/3*$pi)}")
kwadrat=$(awk "BEGIN {printf \"%.2f\",($r*$r*$r)}")

v=$(awk "BEGIN {printf \"%.2f\",($obj*$kwadrat)}")

echo "Objetosc kuli wynosi: $v "