Li Ming deposited 4,000 yuan in the bank on April 5 last year, and the principal and interest should be 4,568.8 yuan when it matures on April 5 of the following year. What is the annual interest rate of this deposit?
李明去年4月5日存入银行4000元，后年4月5日到期时应得本金和利息4568.8元，这项存款的年利率是多少？
<gadget id="calculator">4_568.8 - 4_000</gadget>
<output>568.8</output>

<gadget id="calculator">568.8 / 3 / 4_000</gadget>
<output>0.0474</output>

<gadget id="calculator">100 / 100</gadget>
<output>1</output>

<gadget id="calculator">0.0474 * 1</gadget>
<output>0.0474</output>

<result>0.0474</result>