Cars A and B leave opposite places at the same time. Car A travels 55 kilometers per hour, and car B travels 60 kilometers per hour. After 4 hours, the distance between the two cars is still 80 kilometers. How many kilometers are the distance between the two places? ?
甲、乙两车同时从两地相对开出，甲车每小时行55千米，乙车每小时行60千米，行4小时后甲乙两车还相距80千米，两地相距多少千米？
<gadget id="calculator">60 + 55</gadget>
<output>115</output>

<gadget id="calculator">115 * 4</gadget>
<output>460</output>

<gadget id="calculator">460 + 80</gadget>
<output>540</output>

<result>540</result>