A plane flies 60 kilometers in 5 minutes and is 540 kilometers away from the destination. If it flies at the original speed, how long will it take to complete the flight?
一架飞机5分钟飞行了60千米，距离目的地还有540千米，如果按原来的速度飞行，飞完全程要用多少时间？
<gadget id="calculator">60 / 5</gadget>
<output>12</output>

<gadget id="calculator">540 / 12</gadget>
<output>45</output>

<result>45</result>