A car travels 320 km in 4 hours. According to this calculation, how many hours will it take to travel 480 kilometers? Which of the following is correct
一辆小汽车4小时行驶320千米．照这样计算，要行驶480千米需要多少小时？下面列式正确的是多少
<gadget id="calculator">320 / 4</gadget>
<output>80</output>

<gadget id="calculator">480 / 80</gadget>
<output>6</output>

<result>6</result>