A factory produces 2,200 parts per month, which is 10% more than the original plan. How many parts were originally planned to be produced per month?
某厂每月生产2200个零件，比原计划每月增产10%，原计划每月生产多少个零件？
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 + (1/10)</gadget>
<output>11/10 = around 1.1</output>

<gadget id="calculator">2_200 / (11/10)</gadget>
<output>2_000</output>

<result>2_000</result>