car can travel 12.5 kilometers per liter of gasoline, and there are still 5 liters of gasoline in the car. If it needs to travel 240 kilometers, how many liters of gasoline should be added at least?
一辆小汽车，每升汽油可以行驶12.5千米，车中还有5升汽油，如果要行驶240千米，至少还要再加汽油多少升？
<gadget id="calculator">240 / 12.5</gadget>
<output>19.2</output>

<gadget id="calculator">19.2 - 5</gadget>
<output>14.2</output>

<result>14.2</result>