Zhang Hua borrowed a 116-page book, and after reading it for 7 days, there are still 53 pages left. How many pages does he read on average every day?
张华借来一本116页的书，看了7天后还剩下53页，他平均每天看多少页？
<gadget id="calculator">116 - 53</gadget>
<output>63</output>

<gadget id="calculator">63 / 7</gadget>
<output>9</output>

<result>9</result>