Aunt Li deposited 2,000 yuan in the bank for a fixed period of one year. If the annual interest rate is 2.99%, how much can she get after tax in principal and interest? (interest tax rate 20%)
李阿姨把2000元钱存入银行，定期一年，如果按年利率2.99%计算，到期可以拿到税后的本息多少元？(利息税率20%)
<gadget id="calculator">2.99 / 100</gadget>
<output>0.0299</output>

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">2_000 * 0.0299 * 1 * (4/5)</gadget>
<output>47.84</output>

<gadget id="calculator">2_000 + 47.84</gadget>
<output>2_047.84</output>

<result>2_047.84</result>