An express bus departs from Changshan at 8 am and arrives in Hangzhou at 11 am. The express speed is 100 km/h. May I ask: How far is it from Changshan to Hangzhou?
一辆快客上午8时从常山出发，11时到达杭州．快客的速度为100千米/时，请问：常山到杭州有多远路程？
<gadget id="calculator">100 * 3</gadget>
<output>300</output>

<result>300</result>