A book has 440 pages. Xiaohua has been reading for 8 days, and has read a total of 240 pages. If it takes 5 days to finish reading the rest, how many pages should be read at least every day?
一本书共有440页．小华已经读了8天，一共读了240页．剩下的如果要5天读完，每天至少要读多少页？
<gadget id="calculator">440 - 240</gadget>
<output>200</output>

<gadget id="calculator">200 / 5</gadget>
<output>40</output>

<result>40</result>