One of Uncle Li's inventions won a scientific and technological achievement award of 5,000 yuan. According to the regulations: the part above 1,000 yuan is subject to personal income tax at 20%. How much yuan can Uncle Li actually get?
李叔叔的一项发明获得5000元科技成果奖，按规定：1000元以上部分要按20%缴纳个人所得税，李叔叔实际可得到多少元？
<gadget id="calculator">5_000 - 1_000</gadget>
<output>4_000</output>

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

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">4_000 * (4/5)</gadget>
<output>3_200</output>

<gadget id="calculator">3_200 + 1_000</gadget>
<output>4_200</output>

<result>4_200</result>