Xiaozhi bought a 350-page story book, read 50 pages, and finished the rest in 5 days. How many pages should he read on average per day? How many comprehensive formulas are listed.
小智买了一本350页的故事书，看了50页，剩下的要在5天看完，问剩下的平均每天要看多少页？列综合算式多少．
<gadget id="calculator">350 - 50</gadget>
<output>300</output>

<gadget id="calculator">300 / 5</gadget>
<output>60</output>

<result>60</result>