Wei Chao deposited the 300 yuan he had saved in the bank, and planned to donate the principal and interest to the "Hope Project" after three years' maturity, with an annual interest rate of 8.28%. How much can Wei Chao donate to the "Hope Project" when it expires?
伟超将自己攒的300元钱存入银行，定期三年准备到期后把本息捐献给"希望工程"，年利率8.28%，到期伟超可以捐给"希望工程"多少元？
<gadget id="calculator">8.28 / 100</gadget>
<output>0.0828</output>

<gadget id="calculator">300 * 0.0828 * 3</gadget>
<output>74.52</output>

<gadget id="calculator">300 + 74.52</gadget>
<output>374.52</output>

<result>374.52</result>