A processing factory plans to process a batch of parts in 15 days. It originally planned to process 160 pieces per day. After 3 days of processing, due to technological improvements, the work efficiency has been greatly improved. By 3 days before the end of the plan, not only the planned task has been completed but also the plan has been overfulfilled. 25%, how many parts are processed per day after technology improvement?
某加工厂计划15天加工一批零件，原计划每天加工160件，加工了3天后，由于技术改进，大大提高了工作效率，到计划结束前3天时，就不但完成计划任务而且超额完成计划的25%，技术改进后每天加工零件多少件？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">15 * 160 * (5/4)</gadget>
<output>3_000</output>

<gadget id="calculator">160 * 3</gadget>
<output>480</output>

<gadget id="calculator">3_000 - 480</gadget>
<output>2_520</output>

<gadget id="calculator">15 - 3 - 3</gadget>
<output>9</output>

<gadget id="calculator">2_520 / 9</gadget>
<output>280</output>

<result>280</result>