Aunt Li deposited 4,000 yuan in the bank for 5 years, with an annual interest rate of 2.88%. How much after-tax interest and principal can Aunt Li get when it is due?
李阿姨把4000元存入银行，存整存整取5年，年利率是2.88%．到期时，李阿姨可得税后利息和本金一共多少元？
<gadget id="calculator">2.88 / 100</gadget>
<output>0.0288</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">4_000 * 0.0288 * 5 * (19/20)</gadget>
<output>547.2</output>

<gadget id="calculator">4_000 + 547.2</gadget>
<output>4_547.2</output>

<result>4_547.2</result>