Teacher Zhang wrote "Counseling Exercises" and received a manuscript fee of 2,800 yuan. According to regulations, the part of the one-time 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2800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">2_800 - 800</gadget>
<output>2_000</output>

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

<gadget id="calculator">2_000 * (7/50)</gadget>
<output>280</output>

<result>280</result>