After the price of a VCD is reduced by 25 yuan, the price is 600 yuan. How much is the price reduction?
一台VCD降低价格25元后，售价600元，降价百分之几？
<gadget id="calculator">25 + 600</gadget>
<output>625</output>

<gadget id="calculator">25 / 625</gadget>
<output>1/25 = around 0.04</output>

<result>1/25 = around 0.04</result>