The current price of a computer is 2,000 yuan, and the price has been reduced by 500 yuan. How much is the price reduction?
一台电脑现价2000元，降价了500元，降价了多少．
<gadget id="calculator">2_000 + 500</gadget>
<output>2_500</output>

<gadget id="calculator">500 / 2_500</gadget>
<output>1/5 = around 0.2</output>

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