Or which Final Fantasy game. But that math is weird sometimes. II = IV, III = VI, and VII comes after III.

Treehouse 2 plus Treehouse 5 equals Treehouse 7, Citizen Kang!

Or which century a historic event happens in :3… or which louis did what when all the kings in france where named that

Or which superbowl it is

Or which year some movies were copyrighted in.

I dunno there might be other ways?