The tax law stipulates that if the monthly salary exceeds 3,500 yuan but does not exceed 5,000 yuan, 3% of the excess must be paid as personal income tax. Teacher Zhang paid 15 yuan in personal income tax last month. How much salary did Teacher Zhang actually get last month?
税法规定，每月工资超过3500元但不超过5000元的，要缴纳超出部分的3%作为个人所得税．张老师上个月缴纳了15元的个人所得税，张老师上个月实际拿到了多少工资？
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">15 / (1/20)</gadget>
<output>300</output>

<gadget id="calculator">3_500 - 15</gadget>
<output>3_485</output>

<gadget id="calculator">300 + 3_485</gadget>
<output>3_785</output>

<result>3_785</result>