The toy factory planned to produce 900 electric toys. It was originally planned to be completed in 6 days, but it was actually completed 2 days ahead of schedule. How many more were actually produced per day than planned?
玩具厂计划生产电动玩具900个，原计划6天完成，实际提前2天完成，实际每天比计划每天多做多少个？
<gadget id="calculator">6 - 2</gadget>
<output>4</output>

<gadget id="calculator">900 / 4</gadget>
<output>225</output>

<gadget id="calculator">900 / 6</gadget>
<output>150</output>

<gadget id="calculator">225 - 150</gadget>
<output>75</output>

<result>75</result>