A machining factory produced 2,000 pieces of one type of parts in August, which was 1/4 more than the original plan. How many parts were actually produced more than planned?
一个机械加工厂，八月份生产一种零件2000个，比原计划多生产(1/4)，实际比计划多生产多少个零件？
<gadget id="calculator">1 / 4</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">2_000 / (5/4)</gadget>
<output>1_600</output>

<gadget id="calculator">2_000 - 1_600</gadget>
<output>400</output>

<result>400</result>