Master Wang's monthly salary is 2,500 yuan. According to the new tax law of the country, the part exceeding 1,600 yuan should pay 5% personal income tax. How much tax should Mr. Wang pay every month?
王师傅的月工资为2500元．按照国家的新税法规定，超过1600元的部分应缴5%个人所得税．王师傅每月应缴多少元税费？
<gadget id="calculator">2_500 - 1_600</gadget>
<output>900</output>

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

<gadget id="calculator">900 * (1/20)</gadget>
<output>45</output>

<result>45</result>