1. “That means that instead of working with them in the fields, their 6-year-old is in school learning the alphabet and how to add and subtract.
    "这就意味他们6岁大的孩子不再跟着自己在地里干活，而是要到学校里学习字母和加减法。

2. If you subtract 6 from 9 , you will have 3.
    九减六等于三。