Two cars drive from two places 624 kilometers apart at the same time. Car A travels 55.5 kilometers per hour, and car B travels 48.5 kilometers per hour. After how many hours do the two cars meet?
两汽车从相距624千米的两地同时相对开出，甲车每小时行55.5千米，乙车每小时行48.5千米，经过几小时两车相遇？
<gadget id="calculator">55.5 + 48.5</gadget>
<output>104</output>

<gadget id="calculator">624 / 104</gadget>
<output>6</output>

<result>6</result>