Teacher Zhang wrote "Counseling Exercises" and received a manuscript fee of 1,800 yuan. According to regulations, the part of the manuscript fee exceeding 800 yuan should be taxed at a rate of 14%. How much tax should Mr. Zhang pay?
张老师编写《辅导练习》，获得稿费1800元，按规定，一次稿费超过800元的部分应按14%的税率纳税．张老师应缴纳税款多少元．
<gadget id="calculator">1_800 - 800</gadget>
<output>1_000</output>

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

<gadget id="calculator">1_000 * (7/50)</gadget>
<output>140</output>

<result>140</result>