The first chicken farm raises 2,670 chickens, and the second chicken farm raises 980 fewer chickens than the first chicken farm. How many chickens are there in total in the two chicken farms?
第一养鸡场养鸡2670只，第二养鸡场比第一养鸡场少养980只，两个养鸡场一共养鸡多少只？
<gadget id="calculator">2_670 - 980</gadget>
<output>1_690</output>

<gadget id="calculator">1_690 + 2_670</gadget>
<output>4_360</output>

<result>4_360</result>