The two brothers have a total of 70 stamps. If the elder brother gives the younger brother 4 stamps and still has 2 more stamps than the younger brother, how many stamps did the older brother have? (writing process)
哥弟俩共有邮票70张，如果哥哥给弟弟4张邮票后还比弟弟多2张，哥哥原来有邮票多少张？(写出过程)
<gadget id="calculator">70 + 4 + 4 + 2</gadget>
<output>80</output>

<gadget id="calculator">80 / 2</gadget>
<output>40</output>

<result>40</result>