Uncle Zhang's total salary this month is 1900 yuan. According to the provisions of the Personal Income Tax Law, the part exceeding 1,600 yuan is subject to 5% personal income tax. How much personal income tax should Uncle Zhang pay this month?
张叔叔这个月的工资总额为1900元．按照个人所得税法的规定，超过1600元的部分要交纳5%的个人所得税．张叔叔这个月应交纳个人所得税多少元．
<gadget id="calculator">1_900 - 1_600</gadget>
<output>300</output>

<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">300 * (1/20)</gadget>
<output>15</output>

<result>15</result>