Xiao Ming originally had some stamps, but this year he collected 24 stamps. After giving 30 stamps to Xiaojun, there are 52 stamps left. How many coins did Xiao Ming have?
小明原来有一些邮票，今年收集了24枚，送给小军30枚后，还剩52枚．小明原来有多少枚？
<gadget id="calculator">52 - 24</gadget>
<output>28</output>

<gadget id="calculator">30 + 28</gadget>
<output>58</output>

<result>58</result>