Two cars a and b are traveling towards each other from A and B at the same time. A car travels 55 kilometers per hour, and B travels x kilometers per hour. After 2.2 hours, the distance between the two cars is still 100 kilometers. What is the distance between A and B? km?
a，b两车同时从甲乙两地相向而行甲车每小时行55千米，乙车每小时行x千米，经过2.2小时后两车还相距100千米，甲乙两地的相距是多少千米？
<gadget id="calculator">221 + 2.2</gadget>
<output>223.2</output>

<result>223.2</result>