story book has 380 pages, Xiaoxiao has read 140 pages, and has to finish the rest within 6 days, how many pages do she read on average every day?
一本故事书有380页，晓晓已经看了140页，剩下的要在6天内看完，平均每天看多少页？
<gadget id="calculator">380 - 140</gadget>
<output>240</output>

<gadget id="calculator">240 / 6</gadget>
<output>40</output>

<result>40</result>