A refrigerator is priced at 2,200 yuan, which is 300 yuan cheaper than before. How much is the price of this refrigerator reduced?
一种冰箱售价2200元，比原来便宜300元，这种冰箱降价了百分之几？
<gadget id="calculator">2_200 + 300</gadget>
<output>2_500</output>

<gadget id="calculator">300 / 2_500</gadget>
<output>3/25 = around 0.12</output>

<result>3/25 = around 0.12</result>