The distance between Beijing and Shanghai is 1320km. Two direct express trains, A and B, depart from Beijing and Shanghai at the same time. After 5 hours, the two trains meet. A travels 120 kilometers per hour. How many kilometers per hour does B travel?
北京和上海相距1320km．甲乙两列直快火车同时从北京和上海相对开出，5小时后两车相遇，甲车每小时行120千米，乙车每小时行多少千米？
<gadget id="calculator">1_320 / 5</gadget>
<output>264</output>

<gadget id="calculator">264 - 120</gadget>
<output>144</output>

<result>144</result>