Cars A and B set off from places A and B at the same time, drive toward each other, and meet at a distance of 8 kilometers from the midpoint. It is known that the speed ratio of cars A and B is 4:3. Find places A and B How many kilometers is the distance.
甲、乙两车分别从A、B两地同时出发，相向而行，在距离中点8千米处相遇，已知甲、乙两车的速度比是4：3，求A、B两地的距离是多少千米．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">4 + 3</gadget>
<output>7</output>

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

<gadget id="calculator">(1/2) - (3/7)</gadget>
<output>1/14 = around 0.071429</output>

<gadget id="calculator">8 / (1/14)</gadget>
<output>112</output>

<result>112</result>