One car travels 38 km/h and the other travels 41 km/h. The two cars drove towards each other from two places 237 kilometers apart at the same time. After how many hours did the two cars meet?
一辆汽车每小时行38千米，另一辆汽车每小时行41千米．两车同时从相距237千米的两地相向开出，经过几小时两车相遇？
<gadget id="calculator">41 + 38</gadget>
<output>79</output>

<gadget id="calculator">237 / 79</gadget>
<output>3</output>

<result>3</result>