Uncle picks two baskets of apples, A and B, from the orchard. The mass of apples in basket A accounts for 40% of the total mass. If 48kg is taken from basket A and put into basket B, the mass of apples in basket B accounts for 75% of the total mass. %． How many kilograms of apples did uncle pick in total?
叔叔从果园里摘了A、B两筐苹果，A筐苹果的质量占总质量的40%，如果从A筐里拿出48kg放入B筐，这时B筐苹果的质量占总质量的75%．叔叔一共摘了多少千克苹果？
<gadget id="calculator">75 / 100</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(3/4) - (3/5)</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">48 / (3/20)</gadget>
<output>320</output>

<result>320</result>