Uncle Zhang’s family earns more than 30,000 yuan from raising chickens this year. He deposits 20,000 yuan in the bank for 3 years, with an annual interest rate of 4.25%. How much interest will the bank pay him at maturity.
张大爷家今年养鸡收入3万余元，他将2万元存入银行，定期3年，年利率为4.25%．到期时银行应付给他利息多少元．
<gadget id="calculator">2 * 10_000</gadget>
<output>20_000</output>

<gadget id="calculator">4.25 / 100</gadget>
<output>0.0425</output>

<gadget id="calculator">20_000 * 0.0425 * 3</gadget>
<output>2_550</output>

<result>2_550</result>