A book has 580 pages, and Xiao Ming has 104 pages left after reading it for 7 days. How many pages does he read on average every day?
一本书有580页，小明看了7天后还剩104页，他平均每天看多少页？
<gadget id="calculator">580 - 104</gadget>
<output>476</output>

<gadget id="calculator">476 / 7</gadget>
<output>68</output>

<result>68</result>