Mom goes to work at 11pm and leaves at 6am the next morning. How many hours does she work?
妈妈晚上11时上班，第二天早晨6时下班，她工作了多少小时．
<gadget id="calculator">24 - 23</gadget>
<output>1</output>

<gadget id="calculator">1 + 6</gadget>
<output>7</output>

<result>7</result>