In the production of the first quarter, the garment factory completed 35% of the full-quarter tasks in January, 38% of the full-quarter tasks in February, and 2,700 pieces in March. How many garments were processed in the first quarter?
服装厂在第一季度的生产中，一月份完成了全季度任务的35%，二月份完成了全季度任务的38%，三月份完成了2700件．第一季度共加工服装多少件？
<gadget id="calculator">35 / 100</gadget>
<output>7/20 = around 0.35</output>

<gadget id="calculator">38 / 100</gadget>
<output>19/50 = around 0.38</output>

<gadget id="calculator">1 - (7/20) - (19/50)</gadget>
<output>27/100 = around 0.27</output>

<gadget id="calculator">2_700 / (27/100)</gadget>
<output>10_000</output>

<result>10_000</result>