It takes 6 hours for a passenger train to go from point A to point B, and it takes 8 hours for another train to go from point B to point A. Two cars drive towards each other from A and B at the same time. After 3 hours, the distance between the two cars is 60 kilometers. How many kilometers are the distance between A and B?
一列客车从A地到B地需要6小时，另一列货车从B地到A地需要8小时．两车同时从A、B两地相向开出，3小时后两车相距60千米，A、B两地相距多少千米？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">(1/6) + (1/8)</gadget>
<output>7/24 = around 0.291667</output>

<gadget id="calculator">(7/24) * 3</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">1 - (7/8)</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">60 / (1/8)</gadget>
<output>480</output>

<result>480</result>