Cars A and B set off from cities A and B at the same time and drive toward each other. The ratio of the speeds of cars A and B is 7:6. When the two cars meet, the distance from the midpoint is 32 kilometers. How many kilometers are there between A and B?
甲、乙两汽车分别从A、B两城同时出发，相向而行，甲车和乙车的速度之比是7：6．两车相遇时距离中点32千米．A、B两城相距多少千米？
<gadget id="calculator">7 + 6</gadget>
<output>13</output>

<gadget id="calculator">7 / 13</gadget>
<output>7/13 = around 0.538462</output>

<gadget id="calculator">6 / 13</gadget>
<output>6/13 = around 0.461538</output>

<gadget id="calculator">(7/13) - (6/13)</gadget>
<output>1/13 = around 0.076923</output>

<gadget id="calculator">2 / (1/13)</gadget>
<output>26</output>

<gadget id="calculator">32 * 26</gadget>
<output>832</output>

<result>832</result>