On the first day of the construction site, 4,760 bags of cement were shipped, 2,580 bags in the morning of the second day, and 2,996 bags in the afternoon. How many more packages were shipped on the second day than on the first day?
建筑工地第一天运来水泥4760包，第二天上午运来2580包，下午运来2996包．第二天比第一天多运多少包？
<gadget id="calculator">2_996 - 4_760</gadget>
<output>-1_764</output>

<gadget id="calculator">2_580 + (-1_764)</gadget>
<output>816</output>

<result>816</result>