Three children, Xiao Hong, Xiao Gang and Xiao Liang, went to the restaurant to eat at the same time. The waiting time of the three was 3 minutes, 8 minutes and 5 minutes respectively. How to arrange the waiting time of the three to be the shortest? minute?
三个小朋友，小红、小刚和小亮，他们同时到饭店吃饭，三人等候的时间分别为3分钟，8分钟和5分钟，怎样安排使三人等候的时间最短，最后一人等候了多少分钟？
<gadget id="calculator">3 + 5 + 8</gadget>
<output>16</output>

<result>16</result>