Teacher Zhang travels from Shanghai to Beijing by car, the whole journey is 1200 kilometers, and the whole journey (5/6) takes 10 hours. At this speed, how many hours does it take to go from Shanghai to Beijing?
张老师乘车从上海去北京，全程1200千米，10小时行了全程的(5/6)，照这样的速度，从上海到北京需要多少小时？
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">(5/6) / 10</gadget>
<output>1/12 = around 0.083333</output>

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

<result>12</result>