Xiao Ming collects 53 stamps, Xiao Sheng collects 29 stamps, how many stamps should Xiao Ming give Xiao Sheng before they both have the same number of stamps?
小明集53张邮票，小胜集29张邮票，小明要给小胜多少张邮票后两人才有一样多的邮票？
<gadget id="calculator">53 + 29</gadget>
<output>82</output>

<gadget id="calculator">82 / 2</gadget>
<output>41</output>

<gadget id="calculator">53 - 41</gadget>
<output>12</output>

<result>12</result>