If a piece of wood is cut into sections every 4 meters or every 6 meters, there is just no leftover. What is the minimum length of this piece of wood?
一根木料，截成每4米一段或者每6米一段都刚好没有剩余，这根木料至少长多少米．
<gadget id="calculator">2 * 2 * 3</gadget>
<output>12</output>

<result>12</result>