A workshop needs to produce 2,100 parts, and it is planned to take 12 days to complete. Due to the improvement of production technology, 35 more parts are actually produced every day. How many days did it actually take to complete this production task?
某车间要生产2100个零件，计划用12天完成，由于改进了生产技术，实际每天多生产了35个零件，完成这项生产任务实际用了多少天？
<gadget id="calculator">2_100 / 12</gadget>
<output>175</output>

<gadget id="calculator">175 + 35</gadget>
<output>210</output>

<gadget id="calculator">2_100 / 210</gadget>
<output>10</output>

<result>10</result>