Two cars drive from two places 600 kilometers apart at the same time. One car travels 57 kilometers per hour, and the other car travels 6 kilometers per hour faster than it. After a few hours, the two cars meet?
两辆汽车从相距600千米的两地同时相对开出，一辆汽车每小时行57千米，另一辆汽车每小时比它快6千米，经过几个小时两车相遇？
<gadget id="calculator">57 + 6 + 57</gadget>
<output>120</output>

<gadget id="calculator">600 / 120</gadget>
<output>5</output>

<result>5</result>