Xiaohua has been reading a 92-page storybook for 4 days, and there are 16 pages left. How many pages does Xiaohua read on average every day?
小华读一本92页的故事书，已经读了4天，还剩下16页，小华平均每天读多少页？
<gadget id="calculator">92 - 16</gadget>
<output>76</output>

<gadget id="calculator">76 / 4</gadget>
<output>19</output>

<result>19</result>