A bus travels 80% of the way from point A to point B. At this time, it is 52 kilometers away from point B. How many kilometers are there between A and B?
一辆客车从A地开往B地，行了全程的80%，这时距B地52千米．A、B两地相距多少千米？
<gadget id="calculator">80 / 100</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">52 / (1/5)</gadget>
<output>260</output>

<result>260</result>