Uncle Li’s salary last month was 2,500 yuan. After deducting 2,000 yuan, he pays personal income tax at a rate of 5%. How much personal income tax should he pay?
李叔叔上月的工资为2500元，扣除2000元后按5%的税率缴纳个人所得税，他应缴纳个人所得税多少元．
<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>