using System;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            string v;
            string h;
            string m;
            Console.Write("请输入圆的体积:");
            v = Console.ReadLine();
            Console.Write("请输入圆的高:");
            h = Console.ReadLine();
            Console.WriteLine("圆的面积为:{0},m=v*h/3");
        }
    }
}