what the output

What is the output of this program? public class Calculate { public int doMath(int x, int y) { return (x-y);} } public class Calculate App { public static void main() { int x = 5; int y = 20; Calculate calnew Calculate: x = cal.doMath(y,x); System.out.print("x=" + x + ": y=" + y): y = cal.doMath(x,x); System.out.print("x=" +x+" y="+y); } }