There is an interesting alarm clock that rings every 9 minutes and tells the time every hour. It is known that at 12:00 noon, the alarm clock both rings and strikes the time. What time will it be when the alarm clock rings and strikes the time next time?
有一个有趣的闹钟，每9分钟响一次铃，每到整时便会报一次时．已知中午12时整，闹钟既响铃又报时，请问下一次既响铃又报时，是多少时．
<result>3</result>