The train from Guangzhou to Shaoguan departs at 9 am and arrives at Shaoguan at 11 am. If the speed of the train is 110 km/h, how many kilometers is the railway from Guangzhou to Shaoguan?
从广州开往韶关的火车在早上9时开出，上午11时到达韶关．如果火车的速度是110千米/时，那么广州到韶关的铁路长是多少千米？
<gadget id="calculator">11 - 9</gadget>
<output>2</output>

<gadget id="calculator">2 * 110</gadget>
<output>220</output>

<result>220</result>