Grandma Wang deposited the remaining 4,000 yuan in the bank in October 2014 for a period of three years, with an annual interest rate of 5.00%.
王奶奶2014年10月把节余的4000元存入银行，定期三年，年利率是5.00%，到期后，王奶奶一共可取回多少元．
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">4_000 * (1/20) * 3</gadget>
<output>600</output>

<gadget id="calculator">4_000 + 600</gadget>
<output>4_600</output>

<result>4_600</result>