(Only list the formula (or equation), do not need to calculate) The current price of a commodity is 48 yuan, which is 12 yuan lower than the original price. How much is the reduction?
(只列式(或方程)，不必计算)一种商品现在售价48元，比原来降低了12元，降低了百分之几？
<gadget id="calculator">48 + 12</gadget>
<output>60</output>

<gadget id="calculator">12 / 60</gadget>
<output>1/5 = around 0.2</output>

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