Xiao Ming collected 204 commemorative stamps and 340 special stamps. The number of stamps he collected was 17 times that of his sister. How many stamps does his sister collect?
小明集纪念邮票204张，特种邮票340张，他集邮的张数是他妹妹的17倍．他妹妹集邮多少张？
<gadget id="calculator">204 + 340</gadget>
<output>544</output>

<gadget id="calculator">544 / 17</gadget>
<output>32</output>

<result>32</result>