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.
Are you sure with what you have just said? If gambling games is based on math then there will be a way to always win because math is an exact science. I would never think that gambling games are based on math or other sciences. Gambling games where you play against the house are just based on luck.