Xiaohong read (3/4) of a book, exactly 60 pages. How many pages are there in this book?
小红读了一本书的(3/4)，正好是60页．这本书一共多少页？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">60 / (3/4)</gadget>
<output>80</output>

<result>80</result>