The store brings in 240 kilograms of apples in the morning and 360 kilograms in the afternoon. If every 15 kilograms of apples are packed into a carton, how many cartons will be used less in the morning than in the afternoon?
商店上午运进苹果240千克，下午运进苹果360千克，如果每15千克苹果装进一个纸箱，上午比下午少用几个纸箱？
<gadget id="calculator">360 / 15</gadget>
<output>24</output>

<gadget id="calculator">240 / 15</gadget>
<output>16</output>

<gadget id="calculator">24 - 16</gadget>
<output>8</output>

<result>8</result>