According to the tax law, those whose monthly salary exceeds 2,000 yuan have to pay 5% of the excess as personal income tax. Teacher Zhang paid 15 yuan of personal income tax last month. How much salary should Mr. Zhang receive last month?
税法规定，每月工资超过2000元的要交纳超出部分的5%作为个人所得税，张老师上月交纳了15元的个人所得税，张老师上月应得工资多少元？
<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">300 + 2_000</gadget>
<output>2_300</output>

<result>2_300</result>