The distance between A and B is 250 kilometers. A car travels from A to B in 2 hours (3/5). At this speed, how many hours will it take to travel from A to B?
甲、乙两地相距250千米，一辆汽车从甲地开往乙地，2小时行了全程的(3/5)，照这样的速度，从甲地到乙地需要多少小时？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(3/5) / 2</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">250 * (3/10)</gadget>
<output>75</output>

<gadget id="calculator">250 / 75</gadget>
<output>10/3 = around 3.333333</output>

<result>10/3 = around 3.333333</result>