Xiaoxiao wants to read a 240-page book. I have already read 148 pages. If I want to read the rest within 4 days, how many pages do I read on average every day?
笑笑要看一本240页的书，已经看完了148页，剩下的如果想在4天内看完，平均每天看多少页？
<gadget id="calculator">240 - 148</gadget>
<output>92</output>

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

<result>23</result>