A factory produces a batch of parts. It is planned to produce 200 pieces per day, and the task can be completed in 25 days. The actual production exceeds 25% per day. How many days did it actually produce?
某工厂生产一批零件，计划每天生产200件，25天可以完成任务，实际每天超产25%，实际生产了多少天？
<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">200 * (5/4)</gadget>
<output>250</output>

<gadget id="calculator">25 / 250</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">200 * (1/10)</gadget>
<output>20</output>

<result>20</result>