Dad was going from Beijing to Guangzhou, and the train traveled the whole way at 12 o'clock (6/11). How long does it take to get from Beijing to Guangzhou?
爸爸要从北京去广州，12时火车行驶了全程的(6/11)．从北京到广州需要多长时间？
<gadget id="calculator">6 / 11</gadget>
<output>6/11 = around 0.545455</output>

<gadget id="calculator">12 / (6/11)</gadget>
<output>22</output>

<result>22</result>