Student Cables, C#

Language: Layout:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

namespace Rextester
{
    public class Program
    {
        public static void Main(string[] args)
        {
            int num = 3;//Convert.ToInt32(Console.ReadLine());
            
            
            long[] cable = new long[num];
            string[] type = new string[num];
            long result = 0;
            
            /*for (int i = 0; i < num; i++)
                
            {
                cable[i] = Convert.ToInt32(Console.ReadLine());
                type[i] = Console.ReadLine();
            }     */
            
            cable[0] = 116;
            type[0] = "centimeters";
            cable[1] = 4;
            type[1] = "meters";
            cable[2] = 20;
            type[2] = "centimeters";
            //cable[3] = 120;
            //type[3] = "centimeters";
                    
            int sides = cable.Length;
            
            for (int i = 0; i < num; i++)
                
            {
                //checks if cable is larger than 20 cm
               
                if (cable[i] < 20 && type[i] == "centimeters")
                {
                    cable[i] = 0;
                    sides--;
                } 
               
                if (type[i] == "meters")
                {
                    
                 cable[i] = cable[i] * 100;
                }
                
                //Console.WriteLine(cable[i]);
                 
                 result = result + cable[i];
                
                
                  
            }
            
            result = result - (sides - 1) * 3;
            
            //Console.WriteLine(result);
            
            //Creates the new cable
            
            Console.WriteLine(result);
            
            long newCable = 504;
            long numberOfCables = (result / newCable);
            //Console.WriteLine(numberOfCables);
            long finalCable = 504 * numberOfCables;
            long leftCable = (result - finalCable);
   
              
            Console.WriteLine(numberOfCables);
            Console.WriteLine(leftCable);
           
        }
    }
}

Show compiler warnings [ + ] Show input
Compilation time: 0.08 sec, absolute running time: 0.06 sec, cpu time: 0.05 sec, average memory usage: 14 Mb, average nr of threads: 3