The older brother has 28 stamps, which is 2 less than the younger brother's 1.5 times the number of stamps. How many stamps do they have in total?
哥哥有28张邮票，比弟弟邮票张数的1.5倍少2张，他们两人一共有多少张邮票？
<gadget id="calculator">28 + 2</gadget>
<output>30</output>

<gadget id="calculator">30 / 1.5</gadget>
<output>20</output>

<gadget id="calculator">20 + 28</gadget>
<output>48</output>

<result>48</result>