Cars A and B are traveling towards each other at the same time from places A and B respectively. The speed ratio is 5:3. Car A has driven 3/7 of the whole journey and then traveled 66 kilometers. It happens to meet car B. , How many kilometers is the distance between the two places?
甲、乙两车分别从A、B两地同时相向而行，速度比是5：3，甲车行驶了全程的(3/7)后又行了66千米，正好与乙车相遇，A、B两地相距多少千米？
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>

<gadget id="calculator">(5/8) - (3/7)</gadget>
<output>11/56 = around 0.196429</output>

<gadget id="calculator">66 / (11/56)</gadget>
<output>336</output>

<result>336</result>