Xiao Ming reads an accident book. He reads 8 pages on the first day, and then reads 3 pages more than the previous day. On the last day, he reads 32 pages and just finished reading. How many pages does this book have?
小明读一本事故书，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，正好读完，这本书一共有多少页？
<gadget id="calculator">8 + 32</gadget>
<output>40</output>

<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>

<gadget id="calculator">9 / 2</gadget>
<output>9/2 = around 4.5</output>

<gadget id="calculator">40 * (9/2)</gadget>
<output>180</output>

<result>180</result>