Children in the Children’s Palace made handicraft sheep dolls. Each person first made a paper "Pleasant Goat", and then two people cooperated with each other to make a clay "Beautiful Goat", and then three people cooperated with each other to make a pottery "Lazy Goat". In this way, a total of 55 A sheep doll, how many children are there in the Children's Palace?
少年宫小朋友做工艺品羊娃娃，每人先做了一个纸"喜羊羊"，接着两个人合作一个泥"美羊羊"，然后每三人合作一个陶"懒羊羊"，这样下来，一共做了55个羊娃娃，少年宫有多少个小朋友？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 + (1/2) + (1/3)</gadget>
<output>11/6 = around 1.833333</output>

<gadget id="calculator">55 / (11/6)</gadget>
<output>30</output>

<result>30</result>