car from Changde to Zhangjiajie drives at 10:00 in the morning and arrives at 1:00 in the afternoon. The car travels about 75 kilometers per hour. How many kilometers is the road from Changde to Zhangjiajie?
一辆从常德到张家界的汽车上午10：00开车，下午1：00到达，汽车每小时约行75千米．常德到张家界之间的公路长多少千米？
<gadget id="calculator">75 * 3</gadget>
<output>225</output>

<result>225</result>