Cars A and B drive towards each other from two places at the same time. The speed of car A is 36 km/h, and the speed of car B is 48 km/h. The two cars meet at a distance of 36 km from the midpoint. What is the distance in kilometers?
甲、乙两车同时从两地相向开出，甲车的速度是36千米/时，乙车的速度是48千米/时，两车在距中点36千米处相遇，求两地间的距离是多少千米？
<gadget id="calculator">36 + 48</gadget>
<output>84</output>

<gadget id="calculator">48 - 36</gadget>
<output>12</output>

<gadget id="calculator">2 / 12</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">36 * (1/6)</gadget>
<output>6</output>

<gadget id="calculator">84 * 6</gadget>
<output>504</output>

<result>504</result>