The mall first raises the cost price of the product by 80%, and then writes in the advertisement "big bargain, 20% discount". According to this method, how much can the mall earn from selling an LCD TV with an actual price of 6,480 yuan? money?
商场先将商品按成本价提高80%，然后在广告中写到"大酬宾，八折优惠"，照这种做法，卖出一台实际售价是6480元的液晶电视，该商场可赚多少钱？
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1 + (4/5)</gadget>
<output>9/5 = around 1.8</output>

<gadget id="calculator">6_480 / (4/5) / (9/5)</gadget>
<output>4_500</output>

<gadget id="calculator">6_480 - 4_500</gadget>
<output>1_980</output>

<result>1_980</result>