Mother asked her little boy, "Darling, what did the teacher teach you today?"

"Nothing, Mum," answered the son proundly, "instead, she asked me how much one plus two was, and I told her three."

母亲问她年幼的儿子：“宝贝，今天老师教了你些什么？” 　

儿子骄傲地说：“什么都没教，妈妈。她反倒问我一加二等于几，我告诉她等于三。”