The original price of a TV set is 3,600 yuan each, and the price of each set is reduced by 20% on New Year's Eve. How much is the price of this kind of TV set on New Year's Eve?
一种电视机原价每台3600元，元旦前夕每台降价20%出售，这种电视机元旦前夕的售价是多少元？
<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">3_600 * (4/5)</gadget>
<output>2_880</output>

<result>2_880</result>