People's Park is the starting point of bus No. 3 and No. 5. No. 3 bus departs every 6 minutes, and No. 5 bus departs every 8 minutes. After the two buses depart at the same time, at least how many minutes later they will depart at the same time?
人民公园是3路车和5路车的起点站，3路车每6分钟发车一次，5路车每8分钟发车一次．这两路公交车同时发车以后，至少再过多少分钟又同时发车？
<gadget id="calculator">2 * 2 * 2 * 3</gadget>
<output>24</output>

<result>24</result>