Some students share some books. If each student gets a certain number of books on average, there are 14 books left. If each student gets 9 books, the last person gets 6 books. How many students are there in total?
一些同学分一些书，若平均每人分若干本，还余14本，若每人分9本，则最后一人分得6本，那么共有学生多少人．
<gadget id="calculator">14 + 3</gadget>
<output>17</output>

<gadget id="calculator">17 * 1</gadget>
<output>17</output>

<result>17</result>