Students A, B, and C all need to fetch water from the same faucet. A needs 2 minutes, B takes 4 minutes, and C takes 1 minute. How to arrange the order of the three students to get water, the total time they spend is the least, the least How many minutes?
甲、乙、丙三位同学都要到同一水龙头下取水，甲需要用2分钟，乙需要用4分钟，丙需要用1分钟，怎样安排三人的取水顺序，他们花的总时间最少，最少是多少分钟？
<gadget id="calculator">1 * 3</gadget>
<output>3</output>

<gadget id="calculator">2 * 2</gadget>
<output>4</output>

<gadget id="calculator">3 + 4 + 4</gadget>
<output>11</output>

<result>11</result>