A workshop needs to make 1,500 parts, and it is planned to be completed in 6 days. The actual daily production is 200 less than twice the original plan. How many days did it actually take to make this batch of parts?
某车间要做1500个零件，计划6天完成，实际每天做的比原计划的2倍少200个，做这批零件实际用了多少天？
<gadget id="calculator">1_500 / 6</gadget>
<output>250</output>

<gadget id="calculator">250 * 2</gadget>
<output>500</output>

<gadget id="calculator">500 - 200</gadget>
<output>300</output>

<gadget id="calculator">1_500 / 300</gadget>
<output>5</output>

<result>5</result>