Vehicles A and B respectively drive from two places A and B at the same time, and meet at a distance of 70 kilometers from the midpoint after 5 hours. In 15 hours, how many kilometers are there between A and B?
甲乙辆辆汽车分别从AB两地同时相对开出，经过5小时在距中点70千米处相遇，已知甲车从A地到B地需8小时，乙车从B地到A地需15小时，甲乙两地相距多少千米？
<gadget id="calculator">70 * 2</gadget>
<output>140</output>

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

<gadget id="calculator">(1/8) * 5</gadget>
<output>5/8 = around 0.625</output>

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

<gadget id="calculator">(1/15) * 5</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(5/8) - (1/3)</gadget>
<output>7/24 = around 0.291667</output>

<gadget id="calculator">140 / (7/24)</gadget>
<output>480</output>

<result>480</result>