The distance between A and B is 240 km. A car travels 100 kilometers from city A to city B in 2 hours. According to this calculation, how many hours does it take for this car to travel from city A to city B?
甲乙两城之间的路程是240千米．一辆汽车从甲城开往乙城，2小时行了100千米．照这样计算，这辆汽车从甲城到乙城需要几小时？
<gadget id="calculator">100 / 2</gadget>
<output>50</output>

<gadget id="calculator">240 / 50</gadget>
<output>24/5 = around 4.8</output>

<result>24/5 = around 4.8</result>