Anne's Age
安妮的年龄

Teacher: How old are you, Anne?
老师：安妮，你几岁？

Anne: Fifteen．
安妮：十五岁。

Teacher: But you were only seven last year, and now you are eight years old．
老师：你去年才七岁，现在应该是八岁啊！

Anne: Well, seven last year and eight this year make fifteen．
安妮：对啦，去年七岁加今年八岁等于十五岁。