The
teacher asked her students if anyone knew the answer to 2+2, they had three
tries or they would not get recess. The first kid said "Uh, 14? "No," the teacher
said. The second kid said "3.8" "Not quite" the teacher said. Finally the third
kid said "That's easy, 4" "Yes, you all get recess now". At the playground the
kids asked how did he know the answer and he said "It's all about the Kidneys!"
as he pointed to his head.