Li Fei deposits 1,000 yuan in the bank for two years, with an annual interest rate of 4.23%. What is the total amount of principal and interest when it matures?
李菲将1000元存入银行，定期两年，年利率是4.23%，到期时本金和利息一共是多少元．
<gadget id="calculator">4.23 / 100</gadget>
<output>0.0423</output>

<gadget id="calculator">1_000 * 0.0423 * 2</gadget>
<output>84.6</output>

<gadget id="calculator">1_000 + 84.6</gadget>
<output>1_084.6</output>

<result>1_084.6</result>