Teacher Wang's monthly salary is 2,226 yuan. According to regulations, the part exceeding 1,600 yuan is subject to personal income tax at 5%. How much personal income tax does Mr. Wang have to pay every month?
王老师的月工资是2226元，按规定，超出1600元的部分，要按5%缴纳个人所得税．王老师每月要缴纳个人所得税多少元？
<gadget id="calculator">2_226 - 1_600</gadget>
<output>626</output>

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

<gadget id="calculator">626 * (1/20)</gadget>
<output>313/10 = around 31.3</output>

<result>313/10 = around 31.3</result>