Xiaohong, Xiaoming and Xiaoyu go to the library regularly, Xiaohong goes every 4 days, Xiaoming goes every 6 days, and Xiaoyu goes every 8 days. If the three of them go to the library today, how many days will it take for the three of them to go to the library at the same time next time?
小红、小明和小玉三人定期去图书馆，小红每4天去一次，小明每6天去一次，小玉每8天去一次．如果他们三人今天去了图书馆，那么下一次三人再同时去图书馆还需几天？
<gadget id="calculator">2 * 2 * 2 * 3</gadget>
<output>24</output>

<result>24</result>