Xiaobing started reading a 90-page fairy tale book on June 25, and finished it on July 4. How many pages does he read on average every day?
小兵从6月25日开始看一本90页的童话书，7月4日看完，平均每天看多少页？
<gadget id="calculator">90 / 10</gadget>
<output>9</output>

<result>9</result>