Xiao Ming deposits 400 yuan of New Year's money in "education savings" for 3 years. After the maturity, Xiao Ming gets 44.28 yuan of interest. What is the annual interest rate on education savings (no tax on interest)
小明将400元压岁钱存"教育储蓄"3年，到期后小明得到44.28元的利息．教育储蓄的年利率是多少(不缴利息税)
<gadget id="calculator">44.28 / 400 / 3</gadget>
<output>0.0369</output>

<result>0.0369</result>