Two cars, A and B, start from east and west at the same time, and drive towards each other. Car A travels 60 kilometers per hour, and car B travels 48 kilometers per hour. The distance between the two cars is 30 kilometers from the midpoint of the two places. meet each other, how many kilometers are there between the east and west?
甲，乙两辆汽车同时从东，西两地相对开出，相向而行，甲车每小时行驶60千米，乙车每小时行驶48千米，两车在距离两地中点30千米处相遇，那么东，西两地相距多少千米？
<gadget id="calculator">30 * 2</gadget>
<output>60</output>

<gadget id="calculator">48 + 60</gadget>
<output>108</output>

<gadget id="calculator">60 - 48</gadget>
<output>12</output>

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

<gadget id="calculator">108 * 30 * (1/6)</gadget>
<output>540</output>

<result>540</result>