A road that is 800 kilometers long, a car travels in 6 hours (3/5), how many hours will it take to complete the journey at this speed?
一条长800千米的路，一辆汽车6小时行了路程的(3/5)，照这样的速度行完全程还要几小时？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 - (3/5)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(3/5) / 6</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">(2/5) / (1/10)</gadget>
<output>4</output>

<result>4</result>