North Bus Station is the starting point of buses No. 1 and No. 3. Bus No. 1 is dispatched every 8 minutes, and No. 3 bus is dispatched every 12 minutes. After the two buses depart at the same time at 9:10, how many minutes must the two buses depart at the same time for the second time?
汽车北站是1路和3路公交车的起点站．1路车每隔8分钟发一次，3路车每隔12分钟发一次．9：10两路公交车同时发车后，至少多少分钟两路车才第二次同时发车？
<gadget id="calculator">2 * 2 * 2 * 3</gadget>
<output>24</output>

<result>24</result>