The toy factory originally planned to produce 600 toys per day, which would take 30 days to complete. 150 more were actually produced every day, how many days were actually completed?
玩具厂原计划每天生产玩具600个，30天完成．实际每天多生产了150个，实际多少天完成？
<gadget id="calculator">600 + 150</gadget>
<output>750</output>

<gadget id="calculator">30 / 750</gadget>
<output>1/25 = around 0.04</output>

<gadget id="calculator">600 * (1/25)</gadget>
<output>24</output>

<result>24</result>