From A to B, take a car for 2 hours, travel 45 kilometers per hour, and then take a train for 6 hours to arrive. It is known that A and B are 480 kilometers apart. How many miles per hour does the train travel on average?
从甲地到乙地先乘汽车2小时，每小时行驶45千米，后乘火车6小时后到达，已知甲乙两地相距480千米．火车平均每小时行驶多少千米？
<gadget id="calculator">45 * 2</gadget>
<output>90</output>

<gadget id="calculator">480 - 90</gadget>
<output>390</output>

<gadget id="calculator">390 / 6</gadget>
<output>65</output>

<result>65</result>