Xiaojie has 84 stamps, Xiaoxiang has three times as many stamps as Xiaojie, how many stamps does Xiaoxiang have more than Xiaojie?
小杰有84张邮票，小翔邮票的张数是小杰的3倍，小翔比小杰多多少张邮票？
<gadget id="calculator">84 * 3</gadget>
<output>252</output>

<gadget id="calculator">252 - 84</gadget>
<output>168</output>

<result>168</result>