Xiaodong’s daily life is very regular. He goes to bed at 10:00 every day and wakes up at 7:00 the next morning. What percentage of the time does he spend in sleep?
小东每天的生活非常有规律，他每天10：00睡觉，第二天早上7：00起床，他每天大约有几分之几的时间处于睡眠状态？
<gadget id="calculator">9 / 24</gadget>
<output>3/8 = around 0.375</output>

<result>3/8 = around 0.375</result>