The original price of a commodity is 200 yuan. After the price is increased by 10%, the price is reduced by 5%. What is the current price?
一件商品原价200元，提价10%后，又降价5%，现价多少元．
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

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

<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">1 - (1/20)</gadget>
<output>19/20 = around 0.95</output>

<gadget id="calculator">200 * (11/10) * (19/20)</gadget>
<output>209</output>

<result>209</result>