Cars A and B are traveling towards each other from places A and B at the same time and meet at a distance of 60 kilometers from the midpoint. It is known that the speed ratio of cars A and B is 5:7, how many kilometers is the distance between A and B?
甲、乙两车同时从A、B两地相向而行，在离中点60千米处相遇．已知甲、乙两车的速度比是5：7，A、B两地相距多少千米？
<gadget id="calculator">60 * 2</gadget>
<output>120</output>

<gadget id="calculator">5 + 7</gadget>
<output>12</output>

<gadget id="calculator">7 / 12</gadget>
<output>7/12 = around 0.583333</output>

<gadget id="calculator">5 / 12</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">(7/12) - (5/12)</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">120 / (1/6)</gadget>
<output>720</output>

<result>720</result>