Two cars drive from two places 539 kilometers apart at the same time. Car A travels 88.5 kilometers per hour, and car B travels 65.5 kilometers per hour. After how many hours do the two cars meet?
两汽车从相距539千米的两地同时相对开出，甲车每小时行88.5千米，乙车每小时行65.5千米，经几小时两车相遇？
<gadget id="calculator">88.5 + 65.5</gadget>
<output>154</output>

<gadget id="calculator">539 / 154</gadget>
<output>7/2 = around 3.5</output>

<result>7/2 = around 3.5</result>