Uncle Li's family raised 142 chickens, and the number of ducks was half of the chickens. How many chickens and ducks are there in Uncle Li's house?
李伯伯家养了142只鸡，养鸭的只数是鸡的一半．李伯伯家一共有鸡鸭多少只？
<gadget id="calculator">142 / 2</gadget>
<output>71</output>

<gadget id="calculator">142 + 71</gadget>
<output>213</output>

<result>213</result>