Uncle Li’s family has 56 ducks, and the number of chickens is 13 times that of ducks. How many chickens and ducks are there in total?
李叔叔家养鸭56只，养鸡的只数是养鸭的13倍，李叔叔家养鸡和养鸭一共多少只？
<gadget id="calculator">56 * 13</gadget>
<output>728</output>

<gadget id="calculator">728 + 56</gadget>
<output>784</output>

<result>784</result>