A train travels 120 kilometers per hour, and it takes 15 hours to travel from A to B. How many kilometers are there between A and B?
一列火车每小时行120千米，从甲地到乙地用15小时，甲、乙两地相距多少千米？
<gadget id="calculator">120 * 15</gadget>
<output>1_800</output>

<result>1_800</result>