Primary school students sleep about 37.5% of the day, how many hours do primary school students sleep every day?
小学生每天睡眠的时间大约占一天时间的37.5%，小学生每天要睡眠多少小时．
<gadget id="calculator">37.5 / 100</gadget>
<output>0.375</output>

<gadget id="calculator">24 * 0.375</gadget>
<output>9</output>

<result>9</result>