There are guests at home, and my mother needs to make tea for the guests. It takes 1 minute to wash the kettle, 10 minutes to boil the water, 1 minute to wash the tea cups, and 2 minutes to make tea. In order to let the guests drink tea as soon as possible, you design and arrange, at least How many minutes will it take.
家里来了客人，妈妈要给客人沏茶，洗水壶要1分钟，烧开水要10分钟，洗茶杯要1分钟，泡茶要2分钟，为了让客人尽快喝上茶，你来设计安排，最少需要多少分钟．
<gadget id="calculator">1 + 10 + 2</gadget>
<output>13</output>

<result>13</result>