Li Gang and Li Qiang are brothers, both of them work in other places. Li Gang goes home every 6 days, and Li Qiang goes home every 8 days. They go home at the same time on October 1st. How many days will it take for them to meet again?
李刚和李强是兄弟，两人都在外地工作．李刚隔6天回家一次，李强隔8天回家一次，十月一日这天他们同时回家，再过多少天他们才能再一次见面？
<gadget id="calculator">7 * 9</gadget>
<output>63</output>

<result>63</result>