To process a batch of parts, it is planned to process 200 parts per day, and it will be completed in 10 days. Actually, 50 more parts will be processed per day. How many days will it be completed?
加工一批零件，计划每天加工200个，10天完成，实际每天多加工50个，实际多少天完成？
<gadget id="calculator">200 * 10</gadget>
<output>2_000</output>

<gadget id="calculator">200 + 50</gadget>
<output>250</output>

<gadget id="calculator">2_000 / 250</gadget>
<output>8</output>

<result>8</result>