A train travels 188.6 kilometers in 2.3 hours. At this speed, it takes 524.8 kilometers from point B to point A. How many hours does it take to travel?
一列火车2.3小时行驶188.6千米，照这样的速度，从乙地到甲地共524.8千米，需要行驶多少小时？
<gadget id="calculator">188.6 / 2.3</gadget>
<output>82</output>

<gadget id="calculator">524.8 / 82</gadget>
<output>6.4</output>

<result>6.4</result>