A book has 200 pages, 62 pages have been read, and the rest will be finished in 6 days. How many pages do you need to read on average every day?
一本书200页，已经看了62页，剩下的想6天看完，平均每天要看多少页？
<gadget id="calculator">200 - 62</gadget>
<output>138</output>

<gadget id="calculator">138 / 6</gadget>
<output>23</output>

<result>23</result>