Xiaohong finished reading a story book in two days. On the first day, she read 20% more than on the second day, and on the second day, she read 4 pages less than the first day. How many pages are there in this book?
小红两天读完一本故事书，第一天比第二天多读20%，第二天比第一天少读4页，这本书有多少页．
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">4 / (1/5)</gadget>
<output>20</output>

<gadget id="calculator">20 + 4 + 20</gadget>
<output>44</output>

<result>44</result>