Uncle Wang's family raises 220 chickens, the number of ducks is chickens (3/4), and the number of geese (11/6). How many geese does Uncle Wang keep?
王大伯家养鸡220只，养鸭的只数是鸡的(3/4)，是鹅的(11/6)．王大伯家养鹅多少只？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">11 / 6</gadget>
<output>11/6 = around 1.833333</output>

<gadget id="calculator">(3/4) / (11/6)</gadget>
<output>9/22 = around 0.409091</output>

<gadget id="calculator">220 * (9/22)</gadget>
<output>90</output>

<result>90</result>