factory originally planned to produce 7,200 parts per year, but the actual monthly production increased (1/12) compared with the original plan. How many parts did the actual annual production increase?
某厂原计划全年生产7200个零件，实际每月比原计划每月增产(1/12)，实际全年增产多少个零件？
<gadget id="calculator">7_200 / 12</gadget>
<output>600</output>

<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">600 * (1/12) * 12</gadget>
<output>600</output>

<result>600</result>