Xiaohong has read (3/4) of a book, and there are 175 pages left. How many pages are there in this book?
小红看了一本书的(3/4)，还剩175页没有看，这本书一共多少页？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 - (3/4)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">175 / (1/4)</gadget>
<output>700</output>

<result>700</result>