The business hours of the entertainment center are from 14:00 to 3:00 the next day. How long is the business hours?
娱乐中心营业时间为14：00～次日3：00，营业时间有多长？
<gadget id="calculator">24 - 14</gadget>
<output>10</output>

<gadget id="calculator">10 + 3</gadget>
<output>13</output>

<result>13</result>