The rose is watered every 4 days, and the Clivia is watered every 6 days. Aunt Li watered the rose and the Clivia at the same time today, and at least how many days later the two kinds of flowers will be watered at the same time.
月季每4天浇一次水，君子兰每6天浇一次水，李阿姨今天给月季和君子兰同时浇了水，至少多少天以后给这两种花同时浇水．
<gadget id="calculator">2 * 3 * 2</gadget>
<output>12</output>

<result>12</result>