Xiaofang uses weekends to help her mother do the following things. It takes 30 minutes to wash the clothes in the washing machine; 4 minutes to sweep the floor; 10 minutes to wipe the furniture; 5 minutes to dry the clothes. How many minutes did it take Xiaofang to finish these things?
小芳利用双休日帮妈妈做下面的事．用洗衣机洗衣服要用30分钟；扫地要用4分钟；擦家具要用10分钟；晾衣服要用5分钟．小芳做完这些事花的时间有多少分钟．
<gadget id="calculator">30 + 5</gadget>
<output>35</output>

<result>35</result>