It began as a joke, and a rather sarcastic one at that. As it turns out, the summer school students prefer problems like this over x - y variable algebra. Can you simplify this expression? (Answers tomorrow!) Quick verbal translation: ( The quotient of two-Patrick-Teletubby over three sailboats divided by sailboat-Teletubby over three Patricks ) times sailboat over Patrick-heart-Teletubby.