Grandma Xu deposited 3,000 yuan in the bank in March 2012 for a period of three years, with an annual interest rate of 5.00%. After the maturity date, how much yuan can she get back in total?
徐奶奶2012年3月把3000元存入银行，定期三年，年利率是5.00%，到期后，她一共可取回多少元？
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">3_000 * (1/20) * 3</gadget>
<output>450</output>

<gadget id="calculator">3_000 + 450</gadget>
<output>3_450</output>

<result>3_450</result>