Cars A and B are traveling toward each other from A and B at the same time. Car A travels 55 kilometers per hour, and Car B travels 65 kilometers per hour. After 3 hours, the distance between the two cars is 15 kilometers before they meet. A and B How many kilometers apart?
甲乙两车同时从A、B两地相向而行，甲车每小时行55千米，乙车每小时行65千米，3小时后两车还差15千米才能相遇，A、B两地相距多少千米？
<gadget id="calculator">55 + 65</gadget>
<output>120</output>

<gadget id="calculator">120 * 3</gadget>
<output>360</output>

<gadget id="calculator">360 + 15</gadget>
<output>375</output>

<result>375</result>