The new library is opened. Xiaohong goes to the library every 4 days, and Xiaoling goes to the library every 6 days. After Xiaohong and Xiaoling meet in the library one day, how many days are they likely to meet again in the library? meet?
新图书馆开馆了，小红每4天去图书馆一次，小灵每6天去一次，请问小红和小灵某天在图书馆相遇后，经过多少天她们有可能会在图书馆再次相遇？
<gadget id="calculator">2 * 2 * 3</gadget>
<output>12</output>

<result>12</result>