The distance between A and B is 1500 kilometers, and a car travels the whole distance in 2 hours (1/5). According to this calculation, how long will it take to complete the journey? (answer in multiple ways)
甲、乙两地相距1500千米，一辆汽车用2时行了全程的(1/5)．照这样计算，行完全程还需几时？(用多种方法解答)
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(1/5) / 2</gadget>
<output>1/10 = around 0.1</output>

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

<gadget id="calculator">10 - 2</gadget>
<output>8</output>

<result>8</result>