MetricConverter_short

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

namespace _08_MetricConverter
{
    class Program
    {
        static void Main(string[] args)
        {
            double inputNumber = double.Parse(Console.ReadLine());
            string inputMetric = Console.ReadLine().ToLower();
            string outputMetric = Console.ReadLine().ToLower();
            Dictionary<string, double> MetricDict = new Dictionary<string, double>()
            {
                { "m", 1 }, { "mm", 1000 }, { "cm", 100 }, { "mi", 0.000621371192 }, { "in", 39.3700787 },
                { "km", 0.001 }, { "ft", 3.2808399 }, { "yd", 1.0936133 },
            };
            double result = 0.0;
            foreach (KeyValuePair<string, double> metricPair in MetricDict)
            {
                KeyValuePair<string, double> kvp = metricPair;
                if (inputMetric == kvp.Key)
                {
                    result = inputNumber / kvp.Value;
                }
            }

            foreach (KeyValuePair<string, double> metricPair in MetricDict)
            {
                KeyValuePair<string, double> kvp = metricPair;
                if (outputMetric == kvp.Key)
                {
                    result *= kvp.Value;
                }
            }

            Console.WriteLine($"{result:f8}");
        }
    }
}