A person's monthly salary is 4,500 yuan. According to the regulations, the part after deducting the 3,500 sharp exempt amount needs to pay personal income tax at a sharp rate of 3%. How much should he pay personal income tax?
某人的月工资是4500元，按规定扣除3500个锐免征额后的部分需要按3%的锐率缴纳个人所得税．他应缴纳个人所得税多少元？
<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>