The distance between A and B is 242 kilometers. Car A travels 42.6 kilometers per hour, and car B travels 57.4 kilometers per hour. After how many hours do the two cars meet? (solution by equation method)
甲乙两地相距242千米，甲车每小时行42.6千米，乙车每小时行57.4千米，经过几小时两车相遇？(用方程方法解)
<gadget id="calculator">42.6 + 57.4</gadget>
<output>100</output>

<gadget id="calculator">242 / 100</gadget>
<output>121/50 = around 2.42</output>

<result>121/50 = around 2.42</result>