A bus from City A to City B departs at 9 am and arrives at 3:30 pm, traveling 85 kilometers per hour. Find the distance from City A to City B?
一辆客车从甲城到乙城，上午9时出发，下午3时30分到达，每小时行85千米，求从甲城到乙城的距离？
<gadget id="calculator">3 + 3.5</gadget>
<output>6.5</output>

<gadget id="calculator">85 * 6.5</gadget>
<output>552.5</output>

<result>552.5</result>