The tax law stipulates that if the monthly salary exceeds 1,600 yuan, 5% 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1600元的，要交纳超出部分的5%作为个人所得税．张老师上个月交纳了15元的个人所得税，张老师上个月实际拿到了多少元工资？
<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">1_600 - 15</gadget>
<output>1_585</output>

<gadget id="calculator">300 + 1_585</gadget>
<output>1_885</output>

<result>1_885</result>