A train departs at 19:00 and arrives at the destination at 6:00 the next morning. How many hours does it travel?
一列火车19时发车，第二天早晨6时到达目的地，它行驶了多少小时．
<gadget id="calculator">5 + 6</gadget>
<output>11</output>

<result>11</result>