Uncle Li's monthly salary is 3,000 yuan, how much personal income tax should he pay every month. (tax rate is 10%)
李叔叔月薪3000元，他每月应缴纳个人所得税多少元．(税率是10%)
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">3_000 * (1/10)</gadget>
<output>300</output>

<result>300</result>