A kind of computer, the original price is 4800 yuan, the current price is 2880 yuan, how much is the price reduced?
一种电脑，原价4800元，现价2880元，降价了百分之几？
<gadget id="calculator">4_800 - 2_880</gadget>
<output>1_920</output>

<gadget id="calculator">1_920 / 4_800</gadget>
<output>2/5 = around 0.4</output>

<result>2/5 = around 0.4</result>