There is a car going to the county town to pick up goods. It departs at 9:00 am and arrives at 4:00 pm. If the car travels 40 kilometers per hour, how many kilometers is the distance from the station to the county seat?
有一辆汽车去县城拉货，上午9时出发，下午4时到达，如果汽车每小时行驶40千米，从驻地到县城的距离是多少千米？
<gadget id="calculator">40 * 7</gadget>
<output>280</output>

<result>280</result>