Xiaoli deposits the accumulated pocket money of 400 yuan in the bank for 5 years, with an annual interest rate of 2.88%. The tax on interest is 20%. How much can she donate if she donates the after-tax interest to poor out-of-school children after the due date?
小丽把积攒的400元零花钱存入银行，定期5年，年利率是2.88%．利息的税金是20%．到期后把税后利息捐赠给贫困失学儿童，她能捐多少元．
<gadget id="calculator">2.88 / 100</gadget>
<output>0.0288</output>

<gadget id="calculator">400 * 5 * 0.0288</gadget>
<output>57.6</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">57.6 * (4/5)</gadget>
<output>46.08</output>

<result>46.08</result>