firstNumber = 21; // assign the value 21 to firstNumber
secondNumber = 32; // assign the value 32 to secondNumber
// now add firstNumber and secondNumber together
// and save the result in sumOfNumbers
sumOfNumbers = firstNumber + secondNumber;
// use the string concatenator '+' to include
// the value held in sumOfNumbers in the string
// that gets printed.
g.drawString("The sum of the numbers is " + sumOfNumbers, 20, 20);
