Teacher Wang distributed some exercise books to 6 students. Each student got 12 books and 2 books were left. How many more books can be added? Can each student get another book?
王老师将一些练习本分给6个同学，每人分到12本还余2本，再添上几本，每个同学能再分一本？
<gadget id="calculator">6 - 2</gadget>
<output>4</output>

<result>4</result>