Two cars drive towards each other from two places 630 kilometers apart. Car A travels 48.3 kilometers per hour, and car B travels 51.7 kilometers per hour. After how many hours do the two cars meet?
两辆汽车分别从相距630千米的两地相向开出，甲车每小时行48.3千米，乙车每小时行51.7千米，经过多少小时两车相遇？
<gadget id="calculator">48.3 + 51.7</gadget>
<output>100</output>

<gadget id="calculator">630 / 100</gadget>
<output>63/10 = around 6.3</output>

<result>63/10 = around 6.3</result>