To produce a batch of parts, it is planned to produce 269 parts per day, and it will take 36 days to complete. After improving the process, the task was completed in half of the original planned time. How many more parts are produced every day than the original plan?
生产一批零件，计划每天生产269个，需36天完成．改进工艺后，结果只用了原计划时间的一半就完成了任务，问现在每天比原计划每天多生产多少个零件？
<gadget id="calculator">269 * 36</gadget>
<output>9_684</output>

<gadget id="calculator">36 / 2</gadget>
<output>18</output>

<gadget id="calculator">9_684 / 18</gadget>
<output>538</output>

<gadget id="calculator">538 - 269</gadget>
<output>269</output>

<result>269</result>