A book has 315 pages, Xiaohong has already read 77 pages, and plans to finish the rest in a week. How many pages does Xiaohong read at least every day?
一本书有315页，小红已经看了77页，剩下的打算一周看完．小红每天至少要看多少页？
<gadget id="calculator">315 - 77</gadget>
<output>238</output>

<gadget id="calculator">238 / 7</gadget>
<output>34</output>

<result>34</result>