On February 14, 2014, Xiaohong deposited 1,000 yuan of New Year's money in the bank, and the lump-sum deposit was three years old, with an annual interest rate of 4.25%. How much interest can Xiaohong get at maturity.
2014年2月14日，小红把1000元压岁钱存入银行，整存整取三年期，年利率是4.25%．到期时小红可得利息多少元．
<gadget id="calculator">4.25 / 100</gadget>
<output>0.0425</output>

<gadget id="calculator">1_000 * 0.0425 * 3</gadget>
<output>127.5</output>

<result>127.5</result>