Teacher Yaya came to visit her home. Yaya wants to invite the teacher to drink tea. It takes 10 minutes to boil the water, 1 minute to wash the tea cup, 1 minute to find the tea leaves, and 3 minutes to make the tea. After Yaya makes reasonable arrangements, at least how many minutes will the teacher be able to drink Serve tea.
丫丫老师来家访，丫丫想请老师喝茶，烧水要10分钟，洗茶杯要1分钟，找茶叶1分钟，泡茶要3分钟，丫丫合理安排后，至少多少分钟后老师可以喝上茶．
<gadget id="calculator">10 + 3</gadget>
<output>13</output>

<result>13</result>