A car has traveled the entire distance (4/5) from A to B. If the remaining distance is 40 kilometers per hour, it can be reached in 5 hours. How many kilometers is the distance between A and B?
一辆汽车从甲地开往乙地，已经行驶了全程的(4/5)，剩下的路程如果每小时行40千米，5小时可到达，问甲乙两地相距多少千米？
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1 - (4/5)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">5 / (1/5)</gadget>
<output>25</output>

<gadget id="calculator">40 * 25</gadget>
<output>1_000</output>

<result>1_000</result>