A train departs from Wuhan to a certain city, departs at 7:20 am, and arrives at the station at 3:20 pm on the same day. It is known that this train travels an average of 90 kilometers per hour, how many kilometers is Wuhan from this city?
一列火车从武汉出发开往某城市，早上7：20发车，于当日下午3：20到站．已知这列火车平均每小时行90千米，武汉距这座城市多少千米．
<gadget id="calculator">90 * 8</gadget>
<output>720</output>

<result>720</result>