The opening hours of the Children's Palace are 8:00-17:00. Xiaoling enters the Children's Palace at 1:30 p.m., what is the maximum time she can be active in the Children's Palace?
少年宫的开放时间是8：00-17：00．小玲下午1：30进入少年宫活动，她在少年宫最多可以活动的时间是多少小时
<gadget id="calculator">17 - 13.5</gadget>
<output>3.5</output>

<result>3.5</result>