Xiaohua goes to bed at 8:30 in the evening and wakes up at 6:30 in the morning. How much of the time does he sleep in the whole day?
小华每天晚上8：30睡觉，早上6：30起床，他每天睡觉的时间占全天的多少．
<gadget id="calculator">10 / 24</gadget>
<output>5/12 = around 0.416667</output>

<result>5/12 = around 0.416667</result>