Naughty has 16 Olympic commemorative stamps, and after Xiaoxiao gives Naughty 2 more stamps, the ratio of stamps between Naughty and Xiaoxiao is 3:5. How many Olympic stamps does Xiaoxiao have?
淘气有16张奥运纪念邮票，笑笑再给淘气2张后，淘气与笑笑邮票张数之比是3：5，笑笑原来有奥运邮票多少张？
<gadget id="calculator">16 + 2</gadget>
<output>18</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">18 / (3/5)</gadget>
<output>30</output>

<gadget id="calculator">30 + 2</gadget>
<output>32</output>

<result>32</result>