The farm tool factory produced 459 farm tools in the first half of the year and 537 farm tools in the second half of the year. How many pieces are produced per month on average throughout the year?
农具厂上半年生产农具459件，下半年生产农具537件，全年平均每月生产多少件？
<gadget id="calculator">459 + 537</gadget>
<output>996</output>

<gadget id="calculator">996 / 12</gadget>
<output>83</output>

<result>83</result>