Aunt Wang deposited 20,000 yuan in the bank on September 1, 2011, for a period of three years, with an annual interest rate of 5.0%. How much will Aunt Wang get for the principal and interest after maturity?
王阿姨2011年9月1日存入银行20000元，定期三年，年利率是5.0%，到期后王阿姨可获得本金和利息共多少元？
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">20_000 * (1/20) * 3</gadget>
<output>3_000</output>

<gadget id="calculator">20_000 + 3_000</gadget>
<output>23_000</output>

<result>23_000</result>