07.Rectangle_Area

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _07.Rectangle_Area
{
    class Rectangle_Area
    {
        static void Main(string[] args)
        {
            double x1 = double.Parse(Console.ReadLine());
            double y1 = double.Parse(Console.ReadLine());
            double x2 = double.Parse(Console.ReadLine());
            double y2 = double.Parse(Console.ReadLine());
            Console.WriteLine("{0:F4}",Math.Abs(x1-x2) * Math.Abs(y1-y2));
            Console.WriteLine(2*(Math.Abs(x1 - x2) + Math.Abs(y1 - y2)));
        }
    }
}