Xiao Ming deposited his lucky money of 2,000 yuan in the bank on February 3, 2011, with an annual interest rate of 3.15%. When he withdraws it on February 3, 2013, how much is his total principal and interest?
小明2011年2月3日把自己的压岁钱2000元存入银行，年利率是3.15%，到2013年2月3日取出，他的本金和利息一共多少元？
<gadget id="calculator">3.15 / 100</gadget>
<output>0.0315</output>

<gadget id="calculator">2_000 * 0.0315 * 2</gadget>
<output>126</output>

<gadget id="calculator">2_000 + 126</gadget>
<output>2_126</output>

<result>2_126</result>