Перегрузка оператора сложения - C# (188442)

return new Program (ol.x1 / ol.x2  + ol1.y);

class Program
    {
 
        public double x1;
        public double x2;
        public double y;
        private double v;
        public Program( double X1, double X2, double Y)
        {
            x1 = X1;
            x2 = X2;
            Y = y;
            
        }
 
        public Program(double v)
        {
            this.v = v;
            
        }
 
        public static Program operator +(Program ol, Program ol1)
        {
            return new Program (ol.x1 / ol.x2  + ol1.y);
        }
 
        static void Main(string[] args)
        {
 
            Program ol = new Program(1,2,0);
            Program ol1 = new Program(0, 0, 3);
            Program ol2 = new Program(0, 0, 0);
            ol2 = ol + ol1;
 
            Console.WriteLine(ol.x1 / ol.x2 + ol1.y);
            Console.ReadKey();
            
        }