Two cars A and B drive towards each other from two places at the same time. Car A travels 40 kilometers per hour, and car B travels 48 kilometers per hour. After 5 hours and 30 minutes, the distance between the two cars is 90 kilometers. How many kilometers are there between A and B?
甲、乙两辆车同时从两地相向开出，甲车每小时行40千米，乙车每小时行48千米，经过5小时30分两车相距90千米．求甲乙两地相距多少千米？
<gadget id="calculator">40 + 48</gadget>
<output>88</output>

<gadget id="calculator">88 * 5.5</gadget>
<output>484</output>

<gadget id="calculator">484 + 90</gadget>
<output>574</output>

<result>574</result>