Uncle Wang is on the night shift this week, starting work at 10:00 pm and leaving get off work at 8:00 the next day. How many hours does Uncle Wang work the night shift?
王叔叔这个星期值夜班，晚上10时开始上班，第二天8：00下班．王叔叔值夜班工作多少小时？
<gadget id="calculator">24 - 22</gadget>
<output>2</output>

<gadget id="calculator">2 + 8</gadget>
<output>10</output>

<result>10</result>