A train departs from A to B. It departs at 9:30 and arrives at B at 13:30. The train travels 200 kilometers per hour. How many kilometers are there between A and B?
一列火车从甲地开往乙地，9：30出发，13：30到达乙地，火车每小时行200千米，甲乙两地相距多少千米？
<gadget id="calculator">200 * 4</gadget>
<output>800</output>

<result>800</result>