Xiao Ming and Xiao Min have a total of 38 stamps, Xiao Min has 4 stamps less than Xiao Ming, how many stamps does Xiao Ming have.
小明和小敏一共有38枚邮票，小敏比小明少4枚，小明有多少枚．
<gadget id="calculator">38 - 4</gadget>
<output>34</output>

<gadget id="calculator">34 / 2</gadget>
<output>17</output>

<gadget id="calculator">17 + 4</gadget>
<output>21</output>

<result>21</result>