Well, like many other puzzles, this one thrives on distractions (not that it's a bad thing).
You work it out this way and that, and nothing seems to make sense. Then you think, why the emphasis on the NAME of the game?
Then all you have to do is start thinking literally and poof! it's solved.
What's more fun, though, is watching people get increasingly frustrated as they start using more and more complex calculations.
