The distance between A and B is 800 kilometers. If a car travels the whole distance (4/5) in 8 hours, how many hours will it take to complete the journey?
甲乙两地相距800千米，一辆汽车8小时行了全程的(4/5)，行完全程要多少小时．
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">8 / (4/5)</gadget>
<output>10</output>

<result>10</result>