There are two boxes of apples. The weight of the first box is 25 kg. If (1/5) is taken out from the first box and put into the second box, then the weights of the two boxes are equal. How many kilograms did the second box of apples weigh?
有两箱苹果．第一箱重25千克，如果从第一箱中取出(1/5)装入第二箱，则此时两箱苹果的重量相等．第二箱苹果原来是多少千克？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">25 * (1/5)</gadget>
<output>5</output>

<gadget id="calculator">25 - 5 - 5</gadget>
<output>15</output>

<result>15</result>