Xiaohong used 3,000 yuan to buy a three-year national construction bond exempt from interest tax, with an annual interest rate of 3.37%. When it expires, how much money can Xiaohong get back?
小红用3000元购买了免征利息税的三年国家建设债卷，年利率为3.37%．到期时，小红可以取回多少元．
<gadget id="calculator">3.37 / 100</gadget>
<output>0.0337</output>

<gadget id="calculator">3_000 * 0.0337 * 3</gadget>
<output>303.3</output>

<gadget id="calculator">3_000 + 303.3</gadget>
<output>3_303.3</output>

<result>3_303.3</result>