A professor was giving a big test one day to his students. He handed out all of the tests and went back to his desk to wait.
Once the test was over the students all handed the tests back in. The professor noticed that one of the students had attached a $100 bill to his test with a note saying "A dollar per point."
The next class the professor handed the tests back out. This student got back his test and $64 change.
一天，教授正在給學生們監考。他發下試卷，然後回到講臺前等待。
考試結束了，學生們紛紛交回試卷。教授發現一張試卷上彆着一張百元鈔票，還有一張紙條寫着："一分一塊錢。"
第二堂課，教授把試卷都發回學生們手中。其中一個學生不但得到了試卷還得到64塊錢的找零。