A story book has 210 pages. Wang Qiang read (2/7) of this book. How many pages did he read?
一本故事书210页，王强看了这本书的(2/7)，他看了多少页？
<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>

<gadget id="calculator">210 * (2/7)</gadget>
<output>60</output>

<result>60</result>