Two cars, A and B, start from A and B at the same time. Car A travels 42.5 kilometers per hour, and car B travels 38 kilometers per hour. After 4 hours, the distance between A and B is still 35.5 kilometers. How many kilometers are there between A and B?
甲、乙两辆汽车同时从A、B两地相对开出，甲车每小明行驶42.5千米，乙车每小时行驶38千米，4小时后，甲、乙两车还相距35.5千米，A、B两地相距多少千米？
<gadget id="calculator">80.5 * 4</gadget>
<output>322</output>

<gadget id="calculator">322 - 35.5</gadget>
<output>286.5</output>

<result>286.5</result>