Grandpa Li raised 72 chickens, and the number of ducks was half of that of chickens. Grandpa Li's family raised a total of chickens and ducks.
李爷爷养了72只鸡，养鸭的只数是鸡的一半．李爷爷家一共养鸡，鸭多少只．
<gadget id="calculator">72 / 2</gadget>
<output>36</output>

<gadget id="calculator">36 + 72</gadget>
<output>108</output>

<result>108</result>