Yang Yang is reading a popular science book. He read 88 pages in the first week, and (1/5) in the second week, and left (1/4) of this book unread. How many pages are there in this popular science book? ?
阳阳正在读一本科普书，第一周读了88页，第二周读了(1/5)，还剩下这本书的(1/4)没有读，这本科普书一共多少页？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

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

<gadget id="calculator">1 - (1/5) - (1/4)</gadget>
<output>11/20 = around 0.55</output>

<gadget id="calculator">88 / (11/20)</gadget>
<output>160</output>

<result>160</result>