Xiao Ming took the train from 10:00 p.m. on the first day to arriving at 8:00 a.m. the next day. How many hours did he spend in total?
小明乘火车从第一天晚上10：00出发，到第二天早上8：00到站，他共坐了多少小时．
<gadget id="calculator">8 + 2</gadget>
<output>10</output>

<result>10</result>