Xiaohua deposited the accumulated 200 yuan in the bank on January 1, 2001, and withdrew it for one year, and planned to donate the after-tax interest to the "Hope Project" to support out-of-school children in poverty-stricken areas. If the annual interest rate is calculated at 2.25%, how much money can Xiaohua donate to "Hope Project" when it is due?
小华2001年1月1日把积攒的200元钱存入银行，整存整取一年，准备到期后把税后利息捐赠给"希望工程"，支援贫困地区的失学儿童．如果年利率按2.25%计算，到期时小华可以捐赠给"希望工程"多少元钱？
<gadget id="calculator">2.25 / 100</gadget>
<output>0.0225</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">200 * 0.0225 * 1 * (19/20)</gadget>
<output>4.275</output>

<result>4.275</result>