Liu Ying wakes up in the morning like this: brush teeth, wash face for 3 minutes, wash rice for 2 minutes, cook rice in a rice cooker for 18 minutes, memorize English vocabulary for 12 minutes, eat breakfast for 8 minutes, and it took 43 minutes to go to school. Please make reasonable arrangements so that Liu Ying can go to school in the shortest time after getting up.
刘英早晨起来是这样安排的：刷牙、洗脸3分钟，淘米2分钟，用电饭锅煮饭18分钟，背英语单词12分钟，吃早饭8分钟，结果用了43分钟才去上学．请你合理安排，使刘英起床后用最短的时间就能上学．
<gadget id="calculator">2 + 18 + 8</gadget>
<output>28</output>

<result>28</result>