Little Ding Ding collected 189 stamps, 24 more than three times the number of stamps collected by Xiaoya. How many stamps did Xiaoya collect?
小丁丁收集邮票189张，比小亚收集邮票的张数的3倍多24张，小亚收集邮票多少张？
<gadget id="calculator">189 - 24</gadget>
<output>165</output>

<gadget id="calculator">165 / 3</gadget>
<output>55</output>

<result>55</result>