Xiaoli deposited a fixed deposit of 2,000 yuan in the bank on June 28 last year. The annual interest rate is 1.98%, and the interest tax is 5%. How much is Xiaoli's principal and after-tax interest due this year?
小丽去年6月28日到银行存了一个定期储蓄2000元，年利率是1.98%，利息税是5%，今年到期小丽可得本金和税后利息共多少元．
<gadget id="calculator">1.98 / 100</gadget>
<output>0.0198</output>

<gadget id="calculator">2_000 * 0.0198 * 1</gadget>
<output>39.6</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">39.6 * (19/20)</gadget>
<output>37.62</output>

<gadget id="calculator">2_000 + 37.62</gadget>
<output>2_037.62</output>

<result>2_037.62</result>