Liangliang deposits 1,000 yuan of New Year's money in the bank for a period of 3 years, with an annual interest rate of 4.25%. How much interest should he get after maturity?
亮亮把1000元压岁钱存入银行，定期3年，年利率是4.25%，到期后应得利息多少元．
<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>