Four people, A, B, C, and D, go to the same faucet to use water at the same time. It takes 3 minutes for A to wash the mop, 2 minutes for B to wash the rag, 1 minute for C to receive the water, and 10 minutes for D to wash the clothes. Water time, how many minutes are the minimum time they spend.
甲、乙、丙、丁四人同时到一个水龙头处用水，甲洗拖布需要3分钟，乙洗抹布需要2分钟，丙接水需要1分钟，丁洗衣服需要10分钟，如果统筹安排四人的用水时间，他们所花时间最少是多少分钟．
<gadget id="calculator">1 * 4</gadget>
<output>4</output>

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

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

<gadget id="calculator">10 * 1</gadget>
<output>10</output>

<gadget id="calculator">4 + 6 + 6 + 10</gadget>
<output>26</output>

<result>26</result>