There are two baskets of apples, the first basket has 25 apples, and the second basket has 19 apples. How many apples are taken from the first basket and put into the second basket, and the number of apples in the two baskets is equal?
有两篮苹果，第一篮25个，第二篮19个，从第一篮中拿几个放入第二篮，两篮的苹果数相等？
<gadget id="calculator">25 + 19</gadget>
<output>44</output>

<gadget id="calculator">44 / 2</gadget>
<output>22</output>

<gadget id="calculator">25 - 22</gadget>
<output>3</output>

<result>3</result>