It took Xiaohong 8 minutes to mop the floor, 10 minutes to boil the water, and 1 minute to collect the water. How many minutes would it take her at least to finish these things?
小红拖地用了8分钟，烧水用10分钟，接水用1分钟，做完这些事她至少要多少分钟．
<gadget id="calculator">10 + 1</gadget>
<output>11</output>

<result>11</result>