The original price of a commodity is 1,000 yuan, and the current price is 800 yuan. How much is the price reduced?
一种商品原价1000元，现价800元，价格降低了多少
<gadget id="calculator">1_000 - 800</gadget>
<output>200</output>

<gadget id="calculator">200 / 1_000</gadget>
<output>1/5 = around 0.2</output>

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