The chicken farm has a total of 485 hens, which are 156 more than the number of roosters, and the number of chicks is four times that of the roosters. How many chicks are raised in the chicken farm?
养鸡场共养母鸡485只，比公鸡的只数多156只，小鸡的只数是公鸡的4倍，养鸡场共养小鸡多少只？
<gadget id="calculator">485 - 156</gadget>
<output>329</output>

<gadget id="calculator">329 * 4</gadget>
<output>1_316</output>

<result>1_316</result>