In a day, the average person lives and sleeps at a ratio of 2:1. According to this, how many hours of sleep time is generally.
一天中，一般人生活与睡眠的时间比是2：1．照这样，睡眠时间一般为多少小时．
<gadget id="calculator">2 + 1</gadget>
<output>3</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">24 * (1/3)</gadget>
<output>8</output>

<result>8</result>