Chinese roses are watered every 6 days, and lilies are watered every 4 days. These two kinds of flowers are watered at the same time today, how many days later they need to be watered at the same time.
月季花每6天浇一次水，百合花每4天浇一次水，这两种花今天同时浇了水，多少天以后它们需要同时浇水．
<gadget id="calculator">2 * 2 * 3</gadget>
<output>12</output>

<result>12</result>