The distance between A and B is 320 kilometers. A car travels 128 kilometers from A to B in 2 hours. According to this calculation, how many hours does it take for this car to travel from A to B?
甲乙两地相距320千米，一辆汽车从甲地开往乙地，2小时行128千米．照这样计算，这辆汽车从甲地到乙地要行几小时？
<gadget id="calculator">128 / 2</gadget>
<output>64</output>

<gadget id="calculator">320 / 64</gadget>
<output>5</output>

<result>5</result>