Uncle Chen made his fortune by raising poultry and livestock. This year, his family earned 1165.80 yuan from selling rabbits, 1294.50 yuan from selling ducks, and 1834.20 yuan from selling chickens. How much is the total of these three items of income?
陈大叔靠养家禽家畜发家致富，他家今年卖兔子收入1165.80元，卖鸭子收入1294.50元，卖鸡收入1834.20元．这三项收入一共是多少元？
<gadget id="calculator">1_165.8 + 1_294.5 + 1_834.2</gadget>
<output>4_294.5</output>

<result>4_294.5</result>