The distance between A and B is 216 kilometers. Car A drives from city A to city B, and car B drives from city B to city A at the same time. After 1.8 hours, the two cars meet. It is known that car A travels 55 kilometers per hour, how many kilometers per hour does car B travel?
甲、乙两城相距216千米，甲车从甲城开往乙城，同时乙车从乙城开往甲城，经过1.8小时两车相遇．已知甲车每小时行55千米，乙车每小时行多少千米？
<gadget id="calculator">216 / 1.8</gadget>
<output>120</output>

<gadget id="calculator">120 - 55</gadget>
<output>65</output>

<result>65</result>