The price of a commodity is 960 yuan, which is 240 yuan cheaper than before. How much is the price of this commodity reduced?
一种商品的售价是960元，比原来便宜了240无，这件商品降价了百分之几？
<gadget id="calculator">960 + 240</gadget>
<output>1_200</output>

<gadget id="calculator">240 / 1_200</gadget>
<output>1/5 = around 0.2</output>

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