I have 18 stamps, and I have 3 times as many stamps as you. How many stamps do they have together?
我有18张邮票，我的邮票是你的3倍，两人一共有多少张邮票？
<gadget id="calculator">18 / 3</gadget>
<output>6</output>

<gadget id="calculator">6 + 18</gadget>
<output>24</output>

<result>24</result>