After Master Li was laid off, he set up a night market on the street, from 10:00 every night to 5:00 the next morning, how many hours did he work?
李师傅下岗后在街头摆夜市，从每天晚上10：00干到第二天早晨5点，工作多少小时．
<gadget id="calculator">24 - 22</gadget>
<output>2</output>

<gadget id="calculator">2 + 5</gadget>
<output>7</output>

<result>7</result>