Xiaohong reads 8 pages of a science book on the first day, then reads 3 pages more than the day before, and reads 32 pages on the last day. How many days did she read in total?
小红读一本科技书第一天读了8页，以后每天比前一天多读3页，最后一天读了32页，她一共读了多少天．
<gadget id="calculator">32 - 8</gadget>
<output>24</output>

<gadget id="calculator">24 / 3</gadget>
<output>8</output>

<gadget id="calculator">8 + 1</gadget>
<output>9</output>

<result>9</result>