using System;

public class Program

{

    static double geoMessageTPS(string tps)

    {

        string Avg = tps.Substring(tps.LastIndexOf('/')+1,((tps.Length - 2) -  tps.LastIndexOf('/')));

        Console.WriteLine(Avg);

        return 0.0;

    }

​

    public static void Main()

    {

        Console.WriteLine("Hello World");

        string test = "[12321.213123/231231.2312/123123.2131/777.777]";

        geoMessageTPS(test);

    }

}