A plane departs from City A at 9:20 in the morning and arrives in City B at 1:20 in the afternoon. The plane flies 920 kilometers per hour. How many kilometers is the distance between the two cities?
一架飞机上午9时20分从甲城出发，下午1时20分到达乙城，这架飞机每小时飞行920千米，甲乙两城相距多少千米
<gadget id="calculator">920 * 4</gadget>
<output>3_680</output>

<result>3_680</result>