Before going to the Children's Palace, Xiaojun must finish the following things: read a foreign language for 10 minutes, wash clothes in an automatic washing machine for 18 minutes, dry clothes for 4 minutes, and wear shoes for 2 minutes. If it is properly arranged, it will take at least a few minutes for Xiaojun to go to the Children's Palace.
小军去少年宫前必须做完以下几件事：读外语10分钟，用自动洗衣机洗衣18分钟，晾衣服4分钟，才球鞋2分钟．如果合理安排，最少需要多少分钟小军就可以出发去少年宫了．
<gadget id="calculator">18 + 4</gadget>
<output>22</output>

<result>22</result>