Zhang Yun deposits 800 yuan of New Year's money in the bank for three years, and the annual interest rate is 5.22% (no interest tax is paid). How much interest can she get when it expires?
张芸把800元压岁钱存入银行，定期三年，年利率是5.22%(不缴纳利息税)，到期时她可以得到多少元利息．
<gadget id="calculator">5.22 / 100</gadget>
<output>0.0522</output>

<gadget id="calculator">800 * 0.0522 * 3</gadget>
<output>125.28</output>

<result>125.28</result>