An airplane flies 70 kilometers in 5 minutes and is still 98 kilometers away from the destination. If it flies at the original speed, how many more minutes will it take? (Solve with ratio)
一架飞机5分钟飞行70千米，距离目的地还有98千米，如果按原来速度飞行，还要几分钟？(用比例解)
<gadget id="calculator">70 / 5</gadget>
<output>14</output>

<gadget id="calculator">98 / 14</gadget>
<output>7</output>

<result>7</result>