There are three buses A, B, C, one from Road A every 5 minutes, one from Road B every 4 minutes, and one from Road C every 6 minutes. At 7:00 in the morning, the three buses leave at the same time. How many minutes will it be before the next three vehicles leave at the same time?
甲乙丙三路汽车，甲路每隔5分钟开出一辆，乙路每隔4分钟开出一辆，丙路每隔6分钟开出一辆，上午7：00三路汽车同时开出，下次三路汽车同时开出是几分钟后？
<gadget id="calculator">2 * 2 * 3 * 5</gadget>
<output>60</output>

<result>60</result>