There are 36 chickens and twice as many ducks as chickens. How many chickens and ducks are there altogether?
鸡有36只，鸭的只数是鸡的2倍，鸡和鸭一共有多少只？
<gadget id="calculator">1 + 2</gadget>
<output>3</output>

<gadget id="calculator">36 * 3</gadget>
<output>108</output>

<result>108</result>