Teacher Zhao’s monthly salary is 4,500 yuan. After deducting the 3,500 yuan tax exemption, she needs to pay personal income tax at a rate of 3%. How much personal income tax should she pay?
赵老师的月工资是4500元，扣除3500元个税免征额后的部分需要按3%的税率缴纳个人所得税，她应缴个人所得税多少元？
<gadget id="calculator">4_500 - 3_500</gadget>
<output>1_000</output>

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

<gadget id="calculator">1_000 * (3/100)</gadget>
<output>30</output>

<result>30</result>