Aunt Li goes to work at 8:00 am every day, leaves work at 6:00 pm, and takes a 2-hour break at noon. How many hours does she work in a day?
李阿姨每天上午8：00上班，下午6：00下班，中午休息2小时，她一天工作多少小时．
<gadget id="calculator">12 - 8 - 2</gadget>
<output>2</output>

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

<result>8</result>