People's Park is the starting point of buses No. 1 and No. 3. No. 1 bus is dispatched every 3, and No. 3 bus is dispatched every 8. After the two cars start at the same time, how many minutes later will they start at the same time?
人民公园是1路、3路汽车的起点站，1路车每隔3分发一次车，3路车每隔8分发一次车．这两路车同时发车后，至少再过多少分后同时发车？
<gadget id="calculator">3 * 8</gadget>
<output>24</output>

<result>24</result>