The students were divided into 4 groups to make windmills, and each group made 8 windmills, and gave 18 windmills to the kindergarten children. How many more?
同学们分成4组做风车，每组做了8只，送给幼儿园小朋友18只，还有多少只？
<gadget id="calculator">4 * 8</gadget>
<output>32</output>

<gadget id="calculator">32 - 18</gadget>
<output>14</output>

<result>14</result>