Donna: So if "x" equals seven, then "y" equals?
Jackie: Two?
Donna: Wrong. Kelso?
Kelso: Uh... "l"?
Donna: Also wrong. It's a pretty simple equation, guys. Just think about it for a second.
Kelso: You're so pretty. You don't even need to know math.
Jackie: That's so weird. I was just thinking the same thing.