Xiao Nan reads a detective novel. On the first day, he reads 25% of the whole book and 10 more pages. On the second day, he reads 40% of the whole book and 8 pages less. At this time, there are 26 pages left. How many pages does the book have?
小南看一本侦探小说，第一天看了全书的25%还多10页，第二天看了全书的40%少8页，这时还剩26页，这本书一共有多少页．
<gadget id="calculator">10 - 8</gadget>
<output>2</output>

<gadget id="calculator">2 + 26</gadget>
<output>28</output>

<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (1/4) - (2/5)</gadget>
<output>7/20 = around 0.35</output>

<gadget id="calculator">28 / (7/20)</gadget>
<output>80</output>

<result>80</result>