The distance between the two places is 360 kilometers. Cars A and B drive towards each other at the same time. Car A is 38 kilometers per hour, and car B is 42 kilometers per hour. How many hours later will the two cars meet?
两地相距360千米，甲、乙两车同时从两地相向开出，甲车每小时38千米，乙车每小时42千米，几小时后两车相遇？
<gadget id="calculator">38 + 42</gadget>
<output>80</output>

<gadget id="calculator">360 / 80</gadget>
<output>9/2 = around 4.5</output>

<result>9/2 = around 4.5</result>