Liu Lingling reads a 180-page story book. After a week, there are still 5 pages left. How many pages does she read on average every day?
刘玲玲看一本180页的故事书，一个星期后，还有5页没有看，她平均每天看多少页？
<gadget id="calculator">180 - 5</gadget>
<output>175</output>

<gadget id="calculator">175 / 7</gadget>
<output>25</output>

<result>25</result>