The question did not include the output to be produced. However, below are the outputs.
My age is 21
Twice my age is 42
Three times my age is 63
ANSWER:
public class NewClasss{
public static void main(String[] args) {
int x,y,z;
x = 21;
y = 2*x;
z=3*x;
System.out.println("My age is " + x);
System.out.println("twice my age is " + y);
System.out.println("three times my age is " + z);
}
}