A, B, C, and D go to the school infirmary. There is only one doctor in the infirmary. It takes 50 minutes for A to infuse fluids, 2 minutes for B to buy medicine, 5 minutes for C to measure blood pressure, and 10 minutes for D to get an injection. How to reasonably arrange the order of four people to make the waiting time the shortest? How many minutes is the shortest?
甲乙丙丁四人去去校医务室，医务室只有一名大夫，甲输液需要50分钟，乙买药需要2分钟，丙测血压需要5分钟，丁打针需要10分钟．如何合理安排四人的顺序才能让等待时间最短？最短是多少分钟？
<gadget id="calculator">2 * 3</gadget>
<output>6</output>

<gadget id="calculator">5 * 2</gadget>
<output>10</output>

<gadget id="calculator">6 + 10 + 10</gadget>
<output>26</output>

<result>26</result>