Xiaoxiao helps her mother with housework on Sunday: It takes 20 minutes to wash clothes with the washing machine, 5 minutes to sweep the floor, 10 minutes to wipe the furniture, and 5 minutes to dry the clothes. How many minutes will it take her to finish these things at least.
星期天笑笑帮妈妈做家务：用洗衣机洗衣服要用20分钟，扫地要用5分钟，擦家具要用10分钟，晾衣服要用5分钟．她做完这些事情至少要用多少分钟．
<gadget id="calculator">20 + 5</gadget>
<output>25</output>

<result>25</result>