A car drives from city A to city B, and travels the whole way (4/5), and it is 65 kilometers away from city B. How many kilometers are there between the two cities?
一辆汽车从甲城开往乙城，行了全程的(4/5)，离乙城还有65千米，甲乙两城之间相距多少千米？
<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">65 / (1/5)</gadget>
<output>325</output>

<result>325</result>