The length of the distance between A and B is 480 kilometers. The passenger car and the truck leave from the two places at the same time. It is known that the passenger car travels 65 kilometers per hour and the truck travels 55 kilometers per hour. After how many hours do the two vehicles meet? (column equation solution)
甲乙两地间长480千米，客车和货车同时从两地相对开出，已知客车每小时行65千米，货车每小时行55千米，经过几小时两车相遇？(列方程解答)
<gadget id="calculator">65 + 55</gadget>
<output>120</output>

<gadget id="calculator">480 / 120</gadget>
<output>4</output>

<result>4</result>