static void Main(string[] args)
{
// Kilogram 타입 사용 예제
Kilogram kg1 = new Kilogram(5);
Kilogram kg2 = new Kilogram(10);
Kilogram kg3 = kg1.Add(kg2);
Console.WriteLine(kg3);
Kilogram kg4 = new Kilogram(5);
Kilogram kg5 = new Kilogram(10);
Kilogram kg6 = kg4 + kg5;
Console.WriteLine(kg6);
}
public Kilogram Add(Kilogram target)
{
return(new Kilogram(this.mass + target.mass));
}
