Uncle Li deposits 20,000 yuan in the bank for a period of 3 years, with an annual interest rate of 4.25%.
李叔叔将2万元钱存入银行，定期3年，年利率为4.25%，到期时可得到本金和利息多少元？
<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>