Zhang Hua deposits 400 yuan in the bank, deposits and withdraws in lump sums for 5 years, and the annual interest rate is 2.88%. How much will Zhang Hua get in total for the principal and after-tax interest when it matures?
张华把400元钱存入银行，存整取5年，年利率是2.88%，到期时，张华可得本金和税后利息一共是多少元？
<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">400 * 0.0288 * 5 * (19/20)</gadget>
<output>54.72</output>

<gadget id="calculator">400 + 54.72</gadget>
<output>454.72</output>

<result>454.72</result>