Say a single-number bet has a 35:1 payout, and you betR$1. If you win, you'll get your money back plusR$35. Another example: If you win aR$100 bet (for a 35:1 payout), you get a total of $3,600 ($3,500 profit plus theR$100 you initially bet).
The sum of all the numbers on the roulette wheel (from 0 to 36) is 666, which is the "Number of the Beast".
