The distance between A and B is 480.5 kilometers. A train travels from A to B at 78.5 kilometers per hour. It takes 5.8 hours. How many kilometers away is it from B?
甲、乙两地相距480.5千米，一列火车从甲地开往乙地，每小时行78.5千米，行了5.8小时，离乙地还有多少千米？
<gadget id="calculator">78.5 * 5.8</gadget>
<output>455.3</output>

<gadget id="calculator">480.5 - 455.3</gadget>
<output>25.2</output>

<result>25.2</result>