Xiao Min has to do the following things in the morning: get up and get dressed for 4 minutes; brush your teeth and wash your face for 10 minutes; boil eggs for 10 minutes; eat breakfast for 6 minutes. After reasonable arrangements, at least how many minutes can be used to rush to school.
小敏早晨要完成以下几件事：起床穿衣4分钟；刷牙洗脸10分钟；煮鸡蛋10分钟；吃早点6分钟．经过合理安排，最少用多少分钟可以赶着上学．
<gadget id="calculator">4 + 10 + 6</gadget>
<output>20</output>

<result>20</result>