The number of stamps collected by Dongdong is 6 more than that of Archie, so after how many stamps Dongdong gives to Archie, the number of stamps is the same.
冬冬收集的邮票数量比阿奇的多6枚，那么冬冬将多少枚邮票送给阿奇后，两人邮票数量相同．
<gadget id="calculator">6 / 2</gadget>
<output>3</output>

<result>3</result>