Mr. Wang received 5,800 yuan in the manuscript fee for publishing the article. According to regulations: the part after deducting the 3,000 yuan in the manuscript fee is subject to personal income tax at a rate of 20%, so how much is the personal income tax Mr. Wang should pay.
王老师发表文章所得稿费是5800元，按规定：扣除稿费中3000元后的部分按20%的税率缴纳个人所得税，那么王老师应缴纳个人所得税多少元．
<gadget id="calculator">5_800 - 3_000</gadget>
<output>2_800</output>

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

<gadget id="calculator">2_800 * (1/5)</gadget>
<output>560</output>

<result>560</result>