Small animals race around the playground. The deer runs a lap in 12 minutes, and the bear runs a lap in 18 minutes. If they start from the starting point at the same time, at least how many minutes later they start from the starting point at the same time again?
小动物绕运动场赛跑．小鹿12分钟跑一圈，小熊18分钟跑一圈．如果它们同时从起点出发，至少多少分钟后它们再次同时从起点出发？
<gadget id="calculator">2 * 2 * 3 * 3</gadget>
<output>36</output>

<result>36</result>