The original price of a TV set is 4,500 yuan, and it is sold at a 20% discount during the "May 1st" period. How much is the current price of this TV set?
一台电视机原价4500元，在"五一"期间打八折的出售，这台电视机现价多少元？
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">4_500 * (4/5)</gadget>
<output>3_600</output>

<result>3_600</result>