A supermarket expects a three-day turnover of 9,856 yuan. The first day's turnover is 2,325 yuan, and the second day's turnover is 3,108 yuan. If the expected turnover is to be achieved, how much must the third day's turnover be?
某超市预计三天的营业额是9856元，第一天的营业额是2325元，第二天是3108元，如果要达到预计的营业额，第三天必须完成营业额多少元？
<gadget id="calculator">9_856 - 2_325 - 3_108</gadget>
<output>4_423</output>

<result>4_423</result>