Two cars, A and B, drive from two places 384 kilometers apart at the same time. Car A travels an average of 42 kilometers per hour, and car B travels an average of 38 kilometers per hour. After how many hours did the two cars meet?
甲乙两辆汽车同时从相距384千米的两地相对开出，甲车平均每小时行42千米，乙车平均每小时行38千米．经过几小时两车相遇？
<gadget id="calculator">42 + 38</gadget>
<output>80</output>

<gadget id="calculator">384 / 80</gadget>
<output>24/5 = around 4.8</output>

<result>24/5 = around 4.8</result>