The farm raises 250 geese, 120 more ducks than geese, and three times as many chickens as ducks. How many chickens are raised?
农场养鹅250只，养的鸭比鹅多120只，养鸡的只数是鸭的3倍，养鸡多少只？
<gadget id="calculator">250 + 120</gadget>
<output>370</output>

<gadget id="calculator">370 * 3</gadget>
<output>1_110</output>

<result>1_110</result>