Xiaojun goes to the Children's Palace every 4 days, and Xiaohua goes to the Children's Palace every 6 days. On April 5, the two went to the Children's Palace at the same time. How many days will it take before they can go to the Children's Palace at the same time?
小军每4天去一次少年宫，小华每6天去一次少年宫．4月5日两人同时去了少年宫，至少再过多少天他们才能同时去少年宫？
<gadget id="calculator">2 * 2 * 3</gadget>
<output>12</output>

<result>12</result>