A color TV specialty store launches a promotional activity during the Spring Festival, and sells a certain brand of color TV at a price reduction of 200 yuan. Now the price of each TV set of this kind is 1,800 yuan. How much is the price reduction?
某彩电专卖店春节开展促销活动，将某种品牌的彩电每台降价200元销售，现在这种电视机每台的售价是1800元，降价百分之几？
<gadget id="calculator">1_800 + 200</gadget>
<output>2_000</output>

<gadget id="calculator">200 / 2_000</gadget>
<output>1/10 = around 0.1</output>

<result>1/10 = around 0.1</result>