Well, my answer is correct. By the way, is this high school math? It seems to be too easy. I have been playing this kind of games since primary school. It is a very good practice to calculate fast. If you not get use to it, you can try practice it, enables you to twist your brain faster. Like see the car plat number, then you can start think how to make the number becomes 24. Of course, not every 4 digit number will eventually get you to 24. more numbers will do.
Well, let's test. Try to make 9,6, 8, and 2 becomes 24.