There is a batch of apples in the orchard. All (1/3) of the apples are transported away in the morning and 120 kg in the afternoon. At this time, (3/8) of the total weight of the apples has been transported. How many kilograms are there in this batch of apples?
果园里有一批苹果，上午运走全部的(1/3)，下午运走120千克，这时已经运走的占全部苹果重量的(3/8)，这批苹果共有多少千克？
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(3/8) - (1/3)</gadget>
<output>1/24 = around 0.041667</output>

<gadget id="calculator">120 / (1/24)</gadget>
<output>2_880</output>

<result>2_880</result>