A computer enjoys the "Home Appliances to the Countryside" subsidy. The original price is 4,000 yuan. Farmers can enjoy the subsidy at the original price (13/100). How much does the farmer actually need to buy this computer?
一款电脑享受"家电下乡"补贴，原价是4000元，农户购买能够享受补贴原价的(13/100)，农户买一台这款电脑实际需要多少钱？
<gadget id="calculator">13 / 100</gadget>
<output>13/100 = around 0.13</output>

<gadget id="calculator">4_000 * (13/100)</gadget>
<output>520</output>

<gadget id="calculator">4_000 - 520</gadget>
<output>3_480</output>

<result>3_480</result>