Xiaohua deposits 500 yuan of New Year's gift money in the bank for a period of two years, with an annual interest rate of 4.03%. How much will she get in principal and interest when it matures?
小华把过年的压岁钱500元存入银行，存期两年，年利率4.03%，到期时可获本金和利息共多少元．
<gadget id="calculator">4.03 / 100</gadget>
<output>0.0403</output>

<gadget id="calculator">500 * 0.0403 * 2</gadget>
<output>40.3</output>

<gadget id="calculator">500 + 40.3</gadget>
<output>540.3</output>

<result>540.3</result>