Xiao Ming and 5 good friends folded origami windmills together, and each folded 9 pieces. 17 for kindergarten children, how many are left?
小明和5个好朋友一起折纸风车，每人折9个．送给幼儿园小朋友17个，还剩多少个？
<gadget id="calculator">5 + 1</gadget>
<output>6</output>

<gadget id="calculator">9 * 6</gadget>
<output>54</output>

<gadget id="calculator">54 - 17</gadget>
<output>37</output>

<result>37</result>