The distance between A and B is 1000 kilometers. Two trains are running towards each other from A and B at the same time. They meet each other in 5 hours. One train travels 85 kilometers per hour, how many kilometers per hour does the other train travel?
甲、乙两地相距1000千米，两列火车同时从甲乙两地相向而行，5小时相遇．一列火车每小时行85千米，另一列火车每小时行多少千米？
<gadget id="calculator">1_000 / 5</gadget>
<output>200</output>

<gadget id="calculator">200 - 85</gadget>
<output>115</output>

<result>115</result>