using System;

public class Program

{

    public static void Main()

    {

        int int11 = 11;

        decimal dec3 = 3.9m;

        var res1 = int11 / dec3;

        var res2 = int11 / decimal.Round(dec3);

        var res3 = int11 / (int)dec3;

        var res4 = int11 / (int)decimal.Round(dec3);

        Console.WriteLine($"no round             :{res1}\ndec round            :{res2}\nint from dec         :{res3}\nint from rounded dec :{res4}");

    }

}