Xiaohong and Xiaofang have the same number of stamps. If Xiaohong gives Xiaofang 6 stamps, Xiaofang will have 4 times as many stamps as Xiaohong. How many stamps did each of them have?
小红和小芳的邮票一样多，若小红给小芳6张后，小芳邮票数就是小红的4倍，两个人原来各有多少张邮票？
<gadget id="calculator">6 * 4</gadget>
<output>24</output>

<gadget id="calculator">24 + 6</gadget>
<output>30</output>

<gadget id="calculator">4 - 1</gadget>
<output>3</output>

<gadget id="calculator">30 / 3</gadget>
<output>10</output>

<result>10</result>