A story book has 126 pages, and Xiaolan read it for 6 days, leaving 78 pages unfinished. How many pages does Xiaolan read on average every day?
一本故事书有126页，小兰看了6天，还剩78页没看完．小兰平均每天看多少页？
<gadget id="calculator">126 - 78</gadget>
<output>48</output>

<gadget id="calculator">48 / 6</gadget>
<output>8</output>

<result>8</result>