Xiaoxiao's father deposits 6,000 yuan in the bank, and the annual interest rate is 3.6%. After three years, how much is the total principal and interest?
笑笑的爸爸把6000元钱存入银行，年利率是3.6%，则3年到期后，获本金和利息一共多少元？
<gadget id="calculator">3.6 / 100</gadget>
<output>0.036</output>

<gadget id="calculator">6_000 * 0.036 * 3</gadget>
<output>648</output>

<gadget id="calculator">6_000 + 648</gadget>
<output>6_648</output>

<result>6_648</result>