Mom goes to work at 10pm and leaves at 6am the next morning. How many hours does she work?
妈妈晚上10时上班，第二天早晨6时下班，她工作了多少小时．
<gadget id="calculator">24 - 22</gadget>
<output>2</output>

<gadget id="calculator">2 + 6</gadget>
<output>8</output>

<result>8</result>