One day, the teacher went to the store to buy electrical appliances, and saw a combination of home appliances, TCL color TV 2,000 yuan, the price of the DVD player is 80% of the color TV, and the price of the speaker is 20% more expensive than the color TV, please help the teacher budget: buy these three kinds of home appliances , How much money does the teacher have to bring?
有一天，老师到商店买电器，看见一款家电组合，TCL彩电2000元，DVD机的价钱是彩电的80%，音箱价钱比彩电贵20%，请你帮老师预算一下：买这三种家电，老师要带多少元钱．
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">2_000 * (4/5)</gadget>
<output>1_600</output>

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">2_000 * (6/5)</gadget>
<output>2_400</output>

<gadget id="calculator">2_000 + 1_600 + 2_400</gadget>
<output>6_000</output>

<result>6_000</result>