Math is everywhere. Most of the games are based on math, you need to have a little basic understanding otherwise you may lose big. But luck would be the most important factor in gambling.
Yeah, in some ways we can use Math in gambling, just like what you have said, Math is everywhere, not only in gambling but everyday we uses Math, even when you ask what time is it, it is already Math. We can really use Math in gambling but not all the time. Because for me, gambling is basically more on luck.