Xiao Ming reads a storybook and has already read 60 pages. He happened to read (5/7) of this storybook. How many pages does this storybook have?
小明看一本故事书，已经看了60页，正好看了这本故事书的(5/7)，这本故事书一共有多少页？
<gadget id="calculator">5 / 7</gadget>
<output>5/7 = around 0.714286</output>

<gadget id="calculator">60 / (5/7)</gadget>
<output>84</output>

<result>84</result>