... Jerry saw Carl Weston coming up the street. He was a classmate of Jerry's in the sixth grade. He wore thick-lensed glasses and was quite a brain. He'd be almost sure to have a pencil or a ballpoint pen. But Jerry asked him and he didn't, so Jerry gave him a line about being a whiz at arithmetic and said he bet Carl could say right off how much money you'd have left if you subtracted eight dollars and twenty-one cents ... — Jerry's Charge Account • Hazel Hutchins Wilson