There are 75 chickens in Xiaodong’s house, and the number of ducks is three times that of chickens. How many chickens and ducks are there in total?
小东家有鸡75只，鸭的只数是鸡的3倍，鸡、鸭一共有多少只？
<gadget id="calculator">3 + 1</gadget>
<output>4</output>

<gadget id="calculator">75 * 4</gadget>
<output>300</output>

<result>300</result>