Cars A and B drive toward each other from two places 486 kilometers apart, and meet each other in 3.6 hours. Car A travels 60 kilometers per hour, how many kilometers per hour does Car B travel?
甲乙两车从相距486千米的两地相向而行，3.6小时相遇，甲车每小时行60千米，乙车每小时行多少千米？
<gadget id="calculator">486 / 3.6</gadget>
<output>135</output>

<gadget id="calculator">135 - 60</gadget>
<output>75</output>

<result>75</result>