A car travels from A to B at 20 kilometers per hour. When it arrives at B, it returns immediately and travels 25 kilometers per hour. If the time it takes to return is 1.8 hours less than when it went there, how many kilometers is the distance between A and B? ?
汽车从甲地到乙地，每小时行驶20千米，到达乙地立刻返回，每小时行驶25千米，如果返回所用时间比去时少用1.8小时，那么甲、乙两地相距多少千米？
<gadget id="calculator">20 * 1.8</gadget>
<output>36</output>

<gadget id="calculator">25 - 20</gadget>
<output>5</output>

<gadget id="calculator">36 / 5</gadget>
<output>36/5 = around 7.2</output>

<gadget id="calculator">25 * (36/5)</gadget>
<output>180</output>

<result>180</result>