The distance between A and B is 600 kilometers. A high-speed train travels from A to B. After 2.6 hours, it is still 80 kilometers away from B. How many kilometers does this train travel per hour?
甲乙两地相距600千米，一列动车从甲地开往乙地，行驶2.6小时后离乙地还有80千米．这列动车每小时行驶多少千米？
<gadget id="calculator">600 - 80</gadget>
<output>520</output>

<gadget id="calculator">520 / 2.6</gadget>
<output>200</output>

<result>200</result>