Cars A and B depart from A and B at the same time. Car A travels 100 kilometers per hour, and car B travels 120 kilometers per hour. After 15 hours, the two cars meet each other. How many kilometers are there between A and B?
甲、乙两车同时从A、B两地相对出发．甲车每小时行100千米，乙车每小时行120千米，经过15小时两车相遇．A、B两地相距多少千米？
<result>330</result>