Xiaoli reads a 529-page book, and after 4 days, there are 25 pages left. How many pages do she read on average every day?
小丽看一本529页的书，看了4天还剩25页没看，平均每天看多少页．
<gadget id="calculator">529 - 25</gadget>
<output>504</output>

<gadget id="calculator">504 / 4</gadget>
<output>126</output>

<result>126</result>