Mom and Dad saved an education deposit of 20,000 yuan for Beibei, with a period of three years and an annual interest rate of 3.24%. One-time withdrawal upon maturity, the interest tax can be exempted by presenting the student's identity certificate of compulsory education. How much money can Beibei get at maturity?
爸爸妈妈给贝贝存了一笔2万元教育存款，存期三年，年利率为3.24%．到期一次支取，可凭义务教育的学生身份证明免征利息税．贝贝到期可以拿到多少钱？
<gadget id="calculator">3.24 / 100</gadget>
<output>0.0324</output>

<gadget id="calculator">2 * 0.0324 * 3</gadget>
<output>0.1944</output>

<gadget id="calculator">0.1944 + 2</gadget>
<output>2.1944</output>

<result>2.1944</result>