A project takes 12 days to complete, how many days to complete this project (7/12).
一项工程要12天完成，多少天完成这项工程的(7/12)．
<gadget id="calculator">7 / 12</gadget>
<output>7/12 = around 0.583333</output>

<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">(7/12) / (1/12)</gadget>
<output>7</output>

<result>7</result>