An OPPO mobile phone is priced at 1,200 yuan after a price reduction of 300 yuan. How much is it lower than the original price?
一部OPPO手机，降价300元后售价1200元，比原价降低了百分之几？
<gadget id="calculator">1_200 + 300</gadget>
<output>1_500</output>

<gadget id="calculator">300 / 1_500</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>