Xiao Ming reads a story book. On the first day, he reads (1/4) of the whole book. On the second day, he reads 2 more pages than on the first day. There are 20 pages left. How many pages does this book have?
小明看一本故事书，第一天看了全书的(1/4)，第二天比第一天多看2页，还剩20页没看，这本书一共有多少页？
<gadget id="calculator">2 + 20</gadget>
<output>22</output>

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

<gadget id="calculator">1 - (1/4) - (1/4)</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">22 / (1/2)</gadget>
<output>44</output>

<result>44</result>