Two trains, A and B, depart from two places 1000 km apart at the same time and travel toward each other. After 6 hours, the two trains meet at a distance of 130 km. Train A travels 85 km per hour. How many kilometers per hour does train B travel?
甲、乙两列火车同时从相距1000km的两地开出，相向而行，6小时后两车还差130km相遇，甲车每小时行85km，乙车每小时行多少千米？
<gadget id="calculator">1_000 - 130</gadget>
<output>870</output>

<gadget id="calculator">870 / 6</gadget>
<output>145</output>

<gadget id="calculator">145 - 85</gadget>
<output>60</output>

<result>60</result>