Ding Ding borrowed a 255-page science and technology book from the school library, and planned to read it in a week. I read an average of 37 pages per day in the first 5 days, and the rest should be read on weekends. How many pages per day on average?
小丁丁在学校图书馆借了一本255页的科技书，计划用一个星期看完．前5天平均每天看37页，剩下的要在双休日看完，平均每天要看多少页？
<gadget id="calculator">37 * 5</gadget>
<output>185</output>

<gadget id="calculator">255 - 185</gadget>
<output>70</output>

<gadget id="calculator">70 / 2</gadget>
<output>35</output>

<result>35</result>