car drives from place A to place B, the ratio of the distance traveled to the distance not traveled is 5:3, and after driving 30 kilometers, the distance traveled is three times the distance not traveled. How many miles is the distance between A and B?
一辆汽车从甲地开往乙地，已行路程与未行路程的比为5：3，又行驶了30千米，已行路程是未行路程的3倍．甲、乙两地的路程是多少千米？
<gadget id="calculator">1 + 3</gadget>
<output>4</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">5 + 3</gadget>
<output>8</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">(3/4) - (5/8)</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">30 / (1/8)</gadget>
<output>240</output>

<result>240</result>