Manager Wang paid personal income tax of 30 yuan in April 2015. According to national regulations, personal income of more than 3,500 yuan and less than 5,000 yuan is subject to 3% personal income tax. So how much is Manager Wang’s income this month?
王经理2015年4月缴纳个人所得税30元，按照国家规定，个人收入超过3500元，不足5000元的部分要缴纳3%的个人所得税，那么王经理这个月的收入是多少元？
<gadget id="calculator">3 / 100</gadget>
<output>3/100 = around 0.03</output>

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

<gadget id="calculator">1_000 + 3_500</gadget>
<output>4_500</output>

<result>4_500</result>