Engineer Li Ping’s salary in March is 6,000 yuan. According to the current personal tax law, the portion exceeding 3,500 yuan is subject to 20% personal income tax. How much is Li Ping’s actual monthly income?
工程师李平三月份工资6000元，按现行个人税法规定，超过3500元部分按照20%缴纳个人所得税，李平实际这个月收入多少元？
<gadget id="calculator">6_000 - 3_500</gadget>
<output>2_500</output>

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">2_500 * (1/5)</gadget>
<output>500</output>

<gadget id="calculator">6_000 - 500</gadget>
<output>5_500</output>

<result>5_500</result>