The distance between the two places is 270 kilometers. Cars A and B are traveling towards each other at the same time. Car A travels 65 kilometers per hour, and car B travels 70 kilometers per hour. After how many hours do they meet? (two ways to answer)
两地相距270千米，甲乙两车同时从两地相向而行，甲车每小时行65千米，乙车每小时行70千米，经过几小时相遇？(两种方法解答)
<gadget id="calculator">65 + 70</gadget>
<output>135</output>

<gadget id="calculator">270 / 135</gadget>
<output>2</output>

<result>2</result>