A train departs from A at 9:00 and arrives at B at 19:00. The train travels 75 kilometers per hour. How many kilometers is the distance between A and B?
一列火车9时从甲地开出，19时到达乙地，火车每小时行75千米，甲乙两地相距多少千米？
<gadget id="calculator">19 - 9</gadget>
<output>10</output>

<gadget id="calculator">75 * 10</gadget>
<output>750</output>

<result>750</result>