I borrowed a detective novel with 256 pages, and I have read 164 pages. I have to read the remaining pages within 4 days. How many pages do I read on average every day?
我借了一本侦探小说256页，已经看了164页，剩下的页数要在4天内看完，平均每天看多少页？
<gadget id="calculator">256 - 164</gadget>
<output>92</output>

<gadget id="calculator">92 / 4</gadget>
<output>23</output>

<result>23</result>