The current price of a commodity is 2,000 yuan, which is 500 yuan lower than the original price. How much is the price lower than the original price?
一种商品现在售价2000元，比原来降低了500元，比原来降低了多少
<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>