There is a batch of books distributed to the students in the reading group. If each person distributes 7 books, 6 books will be left; if each person distributes 9 books, 8 books will be missing. How many books are there in total?
有一批书分给阅读小组的同学，如果每人分7本书，就会剩下6本，如果每人分9本，就缺8本．这批书一共有多少本？
<gadget id="calculator">6 + 8</gadget>
<output>14</output>

<gadget id="calculator">9 - 7</gadget>
<output>2</output>

<gadget id="calculator">14 / 2</gadget>
<output>7</output>

<gadget id="calculator">7 * 7</gadget>
<output>49</output>

<gadget id="calculator">49 + 6</gadget>
<output>55</output>

<result>55</result>