Xiao Ming's father goes to work at 8:00 every day, takes an hour break at noon, and leaves work at 6:00 pm. How many hours does Xiao Ming's father work a day?
小明爸爸每天8：00上班，中午休息1小时，下午6：00下班，请问小明爸爸一天工作多少小时．
<gadget id="calculator">12 - 8 - 1</gadget>
<output>3</output>

<gadget id="calculator">6 + 3</gadget>
<output>9</output>

<result>9</result>