Car A travels 56 kilometers per hour. After traveling 50 kilometers from point A, car B starts to start from point A and travels 66 kilometers per hour. How many hours does it take for car B to catch up with car A?
甲车每小时行56千米，从A地出发行了50千米后，乙车才开始从A地出发，每小时行66千米，乙车行了几小时后追上甲车？
<gadget id="calculator">66 - 56</gadget>
<output>10</output>

<gadget id="calculator">50 / 10</gadget>
<output>5</output>

<result>5</result>