In a promotional activity in an electrical appliance store, a TV set was priced at 20% profit, and then sold at a 20% discount, resulting in a loss of 320 yuan. How much is the cost of this TV set?
电器商场在一次促销活动中，将一款电视机按20%的利润定价，然后又打八折出售，结果亏损了320元，这款电视的成本是多少元？
<gadget id="calculator">1 - 0.96</gadget>
<output>0.04</output>

<gadget id="calculator">320 / 0.04</gadget>
<output>8_000</output>

<result>8_000</result>