Li Li reads 14 pages a day, and just read the whole book (7/12) in 6 days. How many pages does this book have?
李莉每天看14页，6天刚好看了全书的(7/12)，这本书有多少页？
<gadget id="calculator">7 / 12</gadget>
<output>7/12 = around 0.583333</output>

<gadget id="calculator">6 / (7/12)</gadget>
<output>72/7 = around 10.285714</output>

<gadget id="calculator">14 * (72/7)</gadget>
<output>144</output>

<result>144</result>