On February 26, 2013, Xiaohong deposited 1,000 yuan of New Year's money in the bank, and the lump-sum deposit was withdrawn for one year, with an annual interest rate of 2.25%. Donate the interest to "Hope Project" after the preparation expires. How much can Xiaohong donate to "Project Hope" when it is due? (no interest tax)
小红2013年2月26日把1000元压岁钱存入银行，整存整取一年，年利率是2.25%．准备到期后把利息捐赠给"希望工程"．到期时小红可以捐赠给"希望工程"多少元．(无利息税)
<gadget id="calculator">2.25 / 100</gadget>
<output>0.0225</output>

<gadget id="calculator">1_000 * 0.0225 * 1</gadget>
<output>22.5</output>

<result>22.5</result>