A storybook has 346 pages. Xiao Ming has been reading it for 7 days, with an average of 28 pages per day. The rest will take 6 days to finish. How many pages per day on average?
一本故事书有346页，小明已经看了7天，平均每天看28页，剩下的要6天看完，平均每天要看多少页？
<gadget id="calculator">7 * 28</gadget>
<output>196</output>

<gadget id="calculator">346 - 196</gadget>
<output>150</output>

<gadget id="calculator">150 / 6</gadget>
<output>25</output>

<result>25</result>