Xiao Ming and three others went to the infirmary to see a doctor, and there was only one doctor. It takes 1 minute for Xiaoming to take the medicine, 5 minutes for Xiaogang to measure his body temperature, and 3 minutes for Xiaojun to get an injection. What is the minimum total waiting time?
小明等三人到医务室看病，只有一名医生．小明服药要1分钟，小刚测体温要5分钟，小军打针要3分钟，等候时间总和最少要多少分钟．
<gadget id="calculator">3 * 1</gadget>
<output>3</output>

<gadget id="calculator">2 * 3</gadget>
<output>6</output>

<gadget id="calculator">5 * 1</gadget>
<output>5</output>

<gadget id="calculator">3 + 6 + 5</gadget>
<output>14</output>

<result>14</result>