Xiaoli deposits 2,000 yuan of New Year's money in the bank, and deposits and withdraws it for two years. The annual interest rate is 4.50%. If the interest tax is paid at 5%, how much after-tax interest will Xiaoli get when it matures?
小丽将2000元压岁钱存入银行，整存整取二年，年利率是4.50%，如果按5%缴纳利息税，到期时，小丽得到的税后利息是多少元？
<gadget id="calculator">4.5 / 100</gadget>
<output>0.045</output>

<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">1 - (1/20)</gadget>
<output>19/20 = around 0.95</output>

<gadget id="calculator">2_000 * 0.045 * 2 * (19/20)</gadget>
<output>171</output>

<result>171</result>