long-distance bus drives from A to B and immediately returns to A. It takes 20 hours to go back and forth. The time ratio of the round trip is 3:2. The return is 25 kilometers faster than the time of going. How far is the distance between A and B? rice?
一辆长途客车从甲地开往乙地后立即返回甲地，往返共用了20小时，往返所用的时间比是3：2，回来每小时比去时快25千米，甲乙两地相距多少千米？
<gadget id="calculator">3 + 2</gadget>
<output>5</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">20 * (3/5)</gadget>
<output>12</output>

<gadget id="calculator">20 - 12</gadget>
<output>8</output>

<gadget id="calculator">8 * 25</gadget>
<output>200</output>

<gadget id="calculator">12 - 8</gadget>
<output>4</output>

<gadget id="calculator">200 / 4</gadget>
<output>50</output>

<gadget id="calculator">20 * (3/5) * 50</gadget>
<output>600</output>

<result>600</result>