There are 206 ducks in the farm, 36 more than geese, and 45 more chickens than geese. How many chickens are there?
饲养场有鸭206只，比鹅多36只，鸡的只数比鹅多45只，鸡有多少只？
<gadget id="calculator">206 - 36</gadget>
<output>170</output>

<gadget id="calculator">170 + 45</gadget>
<output>215</output>

<result>215</result>