Xiaojun's father published an article of about 80,000 words. The manuscript fee is 0.1 yuan per word, and according to the regulations, he should pay 20% income tax. How much can Xiaojun's father actually get for the manuscript fee?
小军的爸爸发表了一篇约8万字的文章，稿费是每个字0.1元，按照规定应缴纳20%的所得税，小军爸爸实际大约可以得到稿费多少元？
<gadget id="calculator">8 * 10_000</gadget>
<output>80_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">0.1 * 80_000 * (4/5)</gadget>
<output>6_400</output>

<result>6_400</result>