Should mention that you need to remove the decimal point. After you remove the decimal point, the number is 2 to the 32 power -1.
Hate to keep posting (I hate typing on my phone) ...
I’ll bet she had very little credits left on the slot, cashed out, and the cashout routine managed to run into a bug.
I hate casinos and gambling, but I’m pretty sure they’re in the clear here and the woman isn’t telling the whole truth (makes me racist I suppose)