using System;

public class Program

{

    public static void Main()

    {

        // 32 bit 

        float test1_32 = 0f;

        test1_32 -= 7.75f;

        test1_32 += 7.65f;

        Console.WriteLine($"test1_32={test1_32:R}");

        // 32 bit 

        float test2_32 = 0f;

        test2_32 -= 3.125f;

        test2_32 += 3.15f;

        Console.WriteLine($"test2_32={test2_32:R}");

        // 64 bit 

        double test1_64 = 0d;

        test1_64 -= 7.75d;

        test1_64 += 7.65d;

        Console.WriteLine($"test1_64={test1_64:R}");

        // 64 bit 

        double test2_64 = 0d;

        test2_64 -= 3.125d;

        test2_64 += 3.15d;

        Console.WriteLine($"test2_64={test2_64:R}");

    }

}