Two trains A and B depart from two cities 1620 kilometers apart at the same time, and meet after 6 hours. It is known that car A travels 130 kilometers per hour, how many kilometers per hour does car B travel?
甲、乙两列火车同时从相距1620千米的两城相对开出，经过6小时相遇．已知甲车每小时行130千米，乙车每小时行多少千米？
<gadget id="calculator">1_620 / 6</gadget>
<output>270</output>

<gadget id="calculator">270 - 130</gadget>
<output>140</output>

<result>140</result>