Mom asked Xiao Ming to boil water and make tea for the guests. It takes 1 minute to boil the kettle, 15 minutes to boil the water, 1 minute to wash the teapot, 1 minute to wash the cups, and 2 minutes to get the tea leaves. Xiao Ming estimated that it would take 20 minutes to complete these tasks. In order to make the guests drink tea earlier, according to the most reasonable arrangement in your opinion, how many minutes can the tea be made?
妈妈让小明给客人烧水沏茶．洗开水壶要用1分钟，烧开水要用15分钟，洗茶壶要用1分钟，洗茶杯要用1分钟，拿茶叶要用2分钟．小明估算了一下，完成这些工作要花20分钟．为了使客人早点喝上茶，按你认为最合理的安排，多少分钟就能沏茶了？
<gadget id="calculator">1 + 15</gadget>
<output>16</output>

<result>16</result>