The distance between A and B is 432 kilometers. Cars A and B drive from the two places at the same time. A travels 64 kilometers per hour, and B travels 66 kilometers per hour. After 3.5 hours, have the two vehicles met?
A、B两地相距432千米，甲、乙两车同时从两地相对开出，甲每小时行64千米，乙每小时行66千米，经过3.5小时两车是否已相遇过？
<result>3.5</result>