Cars A and B start from places A and B at the same time and drive towards each other. The speed ratio of cars A and B is 5:8. When they meet, car A travels 30 kilometers less than B. How many kilometers are there between places A and B?
甲乙两车同时从A、B两地出发相向而行，已知甲乙两车的速度比为5：8，相遇时甲比乙少行30千米，A、B两地相距多少千米？
<gadget id="calculator">5 + 8</gadget>
<output>13</output>

<gadget id="calculator">8 / 13</gadget>
<output>8/13 = around 0.615385</output>

<gadget id="calculator">5 / 13</gadget>
<output>5/13 = around 0.384615</output>

<gadget id="calculator">(8/13) - (5/13)</gadget>
<output>3/13 = around 0.230769</output>

<gadget id="calculator">30 / (3/13)</gadget>
<output>130</output>

<result>130</result>