The original price of an electric fan is 400 yuan, the price is reduced by 20% for the first time, and the price is reduced by 1/10 for the second time, what is the current price of the electric fan?
一种电扇原价400元，第一次降价20%，第二次降价(1/10)，现在电扇售价多少元．
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1 / 10</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">400 * (4/5) * (9/10)</gadget>
<output>288</output>

<result>288</result>