Suppose you make a $5 bet on the number 0 on a roulette wheel with 38 slots labeled 00, 0, 1, 2, 3, ... , 36. If 0 is spun, you win a net gain of $175. If a 0 is not spun you lose the $5 bet. If you spin the wheel 50 times, how much money can you expect to gain or lose?