Two cars, A and B, leave opposite places at the same time. Car A travels 75 kilometers per hour, and car B travels 70 kilometers per hour. The two cars meet each other 5.4 hours after departure. How many kilometers are the distance between the two places?
甲乙两辆汽车同时从两地相对开出，甲车每小时行驶75千米，乙车每小时行驶70千米、两车出发后5.4小时相遇．两地相距多少千米？
<gadget id="calculator">75 + 70</gadget>
<output>145</output>

<gadget id="calculator">145 * 5.4</gadget>
<output>783</output>

<result>783</result>