using System;

public class Tarea226

{

    //(4 * 5 / 3+ 2.0) + (5 - 8.0) / 2

    public static void Main()

    {

        int num1=0;

        int num2=0;

        double num3=0;

        double num4=0;

        double num5=0;

        double num6=0; 

        num1=4*5;

        System.Console.WriteLine(num1);

        //4*5

        num2=20/3;

        System.Console.WriteLine(num2);

        //20/3

        num3=6+2.0;

        System.Console.WriteLine(num3);

        //6+2.0

        num4=5-8.0;

        System.Console.WriteLine(num4); 

        //5-8.0

        num5=8.0-3.0;

        System.Console.WriteLine(num5);

        //8.0-3.0

        num6=5.0/2;

        System.Console.WriteLine(num6);

        //5.0/2

    }

}