"Ah, Grade 1 math, my wily foe. We meet again."

Guy #1: I didn't think I'd pick up so much speed! I had my foot on the brake but I was going like 2 kilometres an hour faster.
Guy #2: Really?
Guy #1: Yeah, I started at 20 kilometres but I ended up at, like, 25.

-- Christina's Pub, overheard by Ian