Uncle Zhang deposits RMB 20,000 in the bank for a period of one year, with an annual interest rate of 2.25%. After the deposit matures, how much will Uncle Zhang get back in total?
张叔叔存入银行人民币20000元，定期一年，年利率为2.25%，存款到期后，张叔叔一共取回多少元？
<gadget id="calculator">2.25 / 100</gadget>
<output>0.0225</output>

<gadget id="calculator">20_000 * 0.0225 * 1</gadget>
<output>450</output>

<gadget id="calculator">450 + 20_000</gadget>
<output>20_450</output>

<result>20_450</result>