public static void Main(String[] args)
result2 = (double) 647 / 37;
result4 = (double) 7 / 9;
result5 = (double) 1 / 2 * 9 * 19;
result7 = Math.PI * Math.Pow(12, 2);
result10 = 22.003 != 22.002;
result15 = "red" + "green" + "blue";
Console.WriteLine("1. The result of 17 - 4 is " + result1);
Console.WriteLine("2. The result of 647 / 37 is " + result2);
Console.WriteLine("3. The remainder of 647 / 37 is " + result3);
Console.WriteLine("4. The decimal equivalent of seven ninths is " + result4);
Console.WriteLine("5. This is the area of a triangle with base of 9 and height of 19: " + result5);
Console.WriteLine("6. The value of pi is: " + result6);
Console.WriteLine("7. The area of a circle with a radius of 12 is: " + result7);
Console.WriteLine("9. Are 7 and 8 equal? " + result9);
Console.WriteLine("10. are 22.003 and 22.002 NOT equal? " + result10);
Console.WriteLine("11. 4 is greater than or equal to 33? " + result11);
Console.WriteLine("12. '+' is less than '@'? " + result12);
Console.WriteLine("15. If you concatenate 'red' and 'green' and 'blue', you get " + result15);