In September 2011, the state adjusted the threshold and tax rate of personal salary income tax in the new tax law. The monthly salary does not exceed 3,500 yuan and does not need to pay taxes. Taxation; 10% of the part exceeding 1,500 to 4,500 yuan is taxed... Manager Wang paid 145 yuan this month, how much is his salary this month?
2011年9月，国家在新税法中对个人工资所得税的起征点及税率进行了调整，每月工资不超过3500元不用纳税，超过部分按如下标准纳税：不超过1500元的部分按3%计税；超过1500元至4500元的部分按10%计税…王经理本月缴纳数款145元，他本月工资收入多少元？
<gadget id="calculator">3 / 100</gadget>
<output>3/100 = around 0.03</output>

<gadget id="calculator">1_500 * (3/100)</gadget>
<output>45</output>

<gadget id="calculator">145 - 45</gadget>
<output>100</output>

<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">100 / (1/10)</gadget>
<output>1_000</output>

<gadget id="calculator">3_500 + 1_500 + 1_000</gadget>
<output>6_000</output>

<result>6_000</result>