There are 216 wild ducks in the zoo, which is 18 times the number of red-crowned cranes. How many more wild ducks are there than red-crowned cranes?
动物园有216只野鸭，是丹顶鹤只数的18倍，野鸭比丹顶鹤多几只？
<gadget id="calculator">216 / 18</gadget>
<output>12</output>

<gadget id="calculator">216 - 12</gadget>
<output>204</output>

<result>204</result>