The fast train and the slow train leave opposite sides at the same time from places A and B. The fast train takes 10 hours to complete the journey, and the slow train takes 15 hours to complete the journey. After the two trains meet on the way, the express train travels another 96 kilometers. The express train has gone the whole way (4/5). How many kilometers are there between A and B?
快、慢两车同时从甲、乙两地相向开出，快车行完全程需10小时，慢车行完全程需15小时，两车在途中相遇后，快车又行了96千米，这时快车已行了全程的(4/5)．甲乙两地相距多少千米？
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 / 15</gadget>
<output>1/15 = around 0.066667</output>

<gadget id="calculator">(1/10) + (1/15)</gadget>
<output>1/6 = around 0.166667</output>

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

<gadget id="calculator">6 * (1/10)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(4/5) - (3/5)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">96 / (1/5)</gadget>
<output>480</output>

<result>480</result>