Manager Wang's monthly salary is 3,900 yuan. According to regulations, the part exceeding 3,500 yuan is subject to personal income tax at a rate of 3%. How much is his monthly take-home salary?
王经理一个月的工资是3900元，按规定，超过3500元的部分要按3%的税率缴纳个人所得税．他每月实得工资多少元？
<gadget id="calculator">3_900 - 3_500</gadget>
<output>400</output>

<gadget id="calculator">3 / 100</gadget>
<output>3/100 = around 0.03</output>

<gadget id="calculator">400 * (3/100)</gadget>
<output>12</output>

<gadget id="calculator">3_900 - 12</gadget>
<output>3_888</output>

<result>3_888</result>