Grandma Wang deposits 500 yuan in the bank with an annual interest rate of 4.8%. After depositing for two years and three months, how much will she get in principal and interest?
王奶奶将500元存入银行，年利率是4.8%，存二年零3个月后，可获本利多少元？
<gadget id="calculator">4.8 / 100</gadget>
<output>0.048</output>

<gadget id="calculator">500 * 0.048 * 2.25</gadget>
<output>54</output>

<gadget id="calculator">500 + 54</gadget>
<output>554</output>

<result>554</result>