A women was having a trouble with her heart, so she went to see the doctor. He was a new doctor, and he didn’t know her. So he first asked some questions, and one of them was , “ how old are you ?” “well,” she answered, “I don’t remember. doctor but I will try to think .” She thought for a minute and then said, “Yes, I remember now, doctor! when I married, I was eighteen years old, and my husband was thirty, now my husband is sixty, I know, and that’s twice thirty. So I’m twice eighteen . That’s thirty-six, isn’t it?”

一位妇女有点心理疾病，她去看病。给她看病的是一位新医生，不认识她。因此医生先问了她一些问题，其中一个问题就是：“你多大了？”。“好的，”她回答，“我不记得了，医生，但是我可以想一下。”她想了一会儿后说道：“噢，医生，我想起来了！我结婚的时候，我是十八岁，我丈夫是三十岁，我知道我丈夫现在是六十岁，是两个三十岁。因此，我是两个十八岁，就是三十六岁，对不对？”