A workshop planned to produce 1,600 parts, but actually produced 2,000. How much has the output increased?
某车间计划生产零件1600个，实际生产了2000个，产量提高了多少
<gadget id="calculator">2_000 - 1_600</gadget>
<output>400</output>

<gadget id="calculator">400 / 1_600</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>