Zhang Qiang received a manuscript fee of 1,400 yuan after the book was published. After deducting 800 yuan from the manuscript fee, he paid personal income tax at a rate of 14%. How much personal income tax should Zhang Qiang pay?
张强编写的书出版后得到稿费1400元，稿费收入扣除800元后按14%的税率缴纳个人所得税，张强应该缴纳个人所得税多少元．
<gadget id="calculator">1_400 - 800</gadget>
<output>600</output>

<gadget id="calculator">14 / 100</gadget>
<output>7/50 = around 0.14</output>

<gadget id="calculator">600 * (7/50)</gadget>
<output>84</output>

<result>84</result>