0.512. You might immediately say, wait, wait, this seems like a very high probability. There's more than a 50% chance that he buys four packs. And you have to remember, he has to stop at four. Even if on the fourth, he doesn't get the card he wants, he still has to stop there. So there's a high probability that that's where we end up. There is a little less than 50% chance that he gets the card he's looking for before that point.