Uncle Gao’s salary income is 2,500 yuan, and the part exceeding 2,000 yuan has to pay 5% personal income tax. How much is his monthly tax?
高叔叔工资收入2500元，超过2000元的部分要缴5%的个人所得税，他每月纳税多少元？
<gadget id="calculator">2_500 - 2_000</gadget>
<output>500</output>

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

<gadget id="calculator">500 * (1/20)</gadget>
<output>25</output>

<result>25</result>