Assignemnt #25 and Dumb Calculator

Code

    ///Name: Daniel Tiffant-Appleton
    ///Period: 7
    ///Program Name: Dumb Calculator
    ///File Name: DumbCalculator
    ///Date Finished: 9/25/15
    
    import java.util.Scanner;
    
    public class DumbCalculator
    {
    	public static void main( String[] args )
    	{
          Scanner keyboard = new Scanner(System.in);
            
            double firstNumber, secondNumber, thirdNumber, product;
            
            System.out.print( "What is your first number? " );
            firstNumber = keyboard.nextDouble();
            
            System.out.print( "What is your second number? " );
            secondNumber = keyboard.nextDouble();
            
            System.out.print( "What is your third number? " );
            thirdNumber = keyboard.nextDouble();
            product = (firstNumber + secondNumber + thirdNumber)/2;
            
            System.out.println( "" );
            
            System.out.println( "(" + firstNumber + " + " + secondNumber + " + " + thirdNumber + ")/2 is..." + product );
        }
    }
    

Picture of the output