The original price of a piece of clothing is 200 yuan, the price is first reduced by 10%, and then the price is increased by 10%. How much does this dress sell for now?
一件衣服原价200元，先降价10%，又涨价10%．这件衣服现在售价多少？
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 - (1/10)</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">1 + (1/10)</gadget>
<output>11/10 = around 1.1</output>

<gadget id="calculator">200 * (9/10) * (11/10)</gadget>
<output>198</output>

<result>198</result>