I find the way 英文小笑话:我教老师 I Taught the Teacher

英文小笑话:我教老师 I Taught the Teacher  

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 o 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。