A scientific and technological invention by Master Li won a prize of 4,000 yuan. According to regulations, more than 1,600 yuan part of the payment of 14% personal income tax. How much personal income tax should Master Li pay?
李师傅的一项科技发明，获奖金4000元．按规定，超过1600元的部分缴纳14%的个人所得税．李师傅应缴纳个人所得税多少元？
<gadget id="calculator">4_000 - 1_600</gadget>
<output>2_400</output>

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

<gadget id="calculator">2_400 * (7/50)</gadget>
<output>336</output>

<result>336</result>