Xiaohua has 40 stamps, and after Xiaohua gives Xiaohong 3 stamps, they both have the same number of stamps. How many stamps did Xiaohong originally have?
小华有40张邮票，小华给小红3张邮票后，两人的张数就同样多了．小红原来有多少张邮票？
<gadget id="calculator">40 - 3 - 3</gadget>
<output>34</output>

<result>34</result>