An airplane flies 480 kilometers per hour, and a car travels 60 kilometers per hour. How many hours does it take to travel by car in 4 hours by plane? (Solution by proportional method)
飞机每小时飞行480千米，汽车每小时行60千米．飞机行4小时的路程，汽车要行多少小时？(用比例方法解)
<gadget id="calculator">480 * 4</gadget>
<output>1_920</output>

<gadget id="calculator">1_920 / 60</gadget>
<output>32</output>

<result>32</result>