An express bus departs from Chuzhou to Nanjing, the whole journey is about 240 kilometers, and 62.5% of the whole journey is completed in 2 hours. How many hours will it take to reach Nanjing?
一辆快客从楚州出发去南京，全程约240千米，2小时行了全程的62.5%，还要几小时才能到达南京？
<gadget id="calculator">62.5 / 100</gadget>
<output>0.625</output>

<gadget id="calculator">240 * 0.625</gadget>
<output>150</output>

<gadget id="calculator">240 - 150</gadget>
<output>90</output>

<gadget id="calculator">150 / 2</gadget>
<output>75</output>

<gadget id="calculator">90 / 75</gadget>
<output>6/5 = around 1.2</output>

<result>6/5 = around 1.2</result>