The "winter solstice" in the Chinese lunar calendar is the day with the shortest day and the longest night in a year. The time ratio of day and night in Beijing on this day is 3:5. How many hours are there in Beijing during the "Winter Solstice"?
中国农历的"冬至"是一年白天最短黑夜最长的一天．这一天北京的白天与黑夜的时间比是3：5．"冬至"时北京的白天有多少个小时？
<gadget id="calculator">3 + 5</gadget>
<output>8</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">24 * (3/8)</gadget>
<output>9</output>

<result>9</result>