If you bet $1 on a number and the ball lands on that number, you win a 35:1 payout, or $35 plus your original $1 bet. Inside bets are wagers placed on specific numbers on the table.The types of wagers are grouped into 2 categories: X Research source
You can make several types of wagers on a roulette table, which is basically a 3-column chart that lists the 36 numbers on the wheel. This will introduce you to the various bets involved in roulette.
See if the casino has a free table, purchase one to play at home, or play on one online just to get a feel for the game. Practice playing at a free table before placing actual bets.