Xiao Ming reads a story book, and has already read this book (7/20), and the remaining pages are 48 more than the number of pages he has read. How many pages does this book have?
小明看一本故事书，已经看了这本书的(7/20)，剩下的比已经看的页数多48页，这本书有多少页？
<gadget id="calculator">7 / 20</gadget>
<output>7/20 = around 0.35</output>

<gadget id="calculator">1 - (7/20) - (7/20)</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">48 / (3/10)</gadget>
<output>160</output>

<result>160</result>