public static void Main()
double price,money,receive;
Console.Write("input price :");
price = Convert.ToDouble(Console.ReadLine());
Console.Write("input money :");
money = Convert.ToDouble(Console.ReadLine());
Console.WriteLine("====================");
Console.WriteLine("==Price {0} Baht",price);
Console.WriteLine("==Money {0} Baht",money);
Console.WriteLine("====================");
Console.WriteLine("==Receive {0} Baht",receive);
Console.WriteLine("====================");