Uncle Li's family raised 84 chickens, twice as many ducks as chickens, and three times as many geese as chickens and ducks, 262 less than the total number of chickens and ducks. How many geese does Uncle Li's family raise?
李伯伯家养了84只鸡，养鸭的只数是鸡的2倍，养鹅的只数是鸡鸭总数的3倍少262只．李伯伯家养了多少只鹅？
<gadget id="calculator">84 * 2</gadget>
<output>168</output>

<gadget id="calculator">168 + 84</gadget>
<output>252</output>

<gadget id="calculator">252 * 3</gadget>
<output>756</output>

<gadget id="calculator">756 - 262</gadget>
<output>494</output>

<result>494</result>