The total length from Zhanyi to Lijiang is 640 kilometers. Two cars, A and B, set off from these two places at the same time and drive toward each other. After 5 hours, the two cars meet each other. rice?
沾益至丽江全长640千米，甲、乙两辆汽车同时从这两地出发，相向而行，经过5小时两车相遇，甲车每小时行60千米，乙车每小时行多少千米？
<gadget id="calculator">640 / 5</gadget>
<output>128</output>

<gadget id="calculator">128 - 60</gadget>
<output>68</output>

<result>68</result>