Uncle Li’s family raised 18 chickens, 5 times as many ducks as chickens, and 5 fewer geese than ducks. How many geese does Uncle Li have at home?
李大叔家养了18只鸡，养的鸭是鸡的5倍，养的鹅比鸭少5只．李大叔家养的鹅有多少只？
<gadget id="calculator">18 * 5</gadget>
<output>90</output>

<gadget id="calculator">90 - 5</gadget>
<output>85</output>

<result>85</result>