During the summer vacation, Xiaohong and Xiaoming went to the library. On July 7, they both went to the library. Xiaohong went every 2 days, and Xiaoming went every 3 days. In August, they went to the library at the same time for the first time How many days is it in August?
暑假期间，小红和小明去图书馆，7月7日，他们都去了图书馆，小红每隔2天去一次，小明每隔3天去一次，8月份他们第一次同时去图书馆的时间是8月多少日．
<gadget id="calculator">3 * 2</gadget>
<output>6</output>

<result>6</result>