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

<result>12</result>