A car travels 140 kilometers in 2 hours. At this speed, the road between A and B is 350 kilometers long. How many hours does it take to travel from A to B? (proportional solution)
一辆汽车2小时行驶140千米，照这样的速度，甲乙两地之间的公路长350千米，从甲地到乙地需要行驶多少小时？(比例解答)
<gadget id="calculator">350 * 2</gadget>
<output>700</output>

<gadget id="calculator">700 / 140</gadget>
<output>5</output>

<result>5</result>