Uncle Li deposited 20,000 yuan in the bank for a period of 3 years, with an annual interest rate of 4.25%. How much money can Uncle Li get back after the maturity?
李大爷把20000元钱存入银行，定期3年，年利率为4.25%，到期后李大爷可以取回多少钱？
<gadget id="calculator">4.25 / 100</gadget>
<output>0.0425</output>

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

<gadget id="calculator">20_000 + 2_550</gadget>
<output>22_550</output>

<result>22_550</result>