Uncle Li bought 30,000 yuan of national debt, fixed for 3 years, with an annual interest rate of 3.2%, how much yuan can he get back after maturity.
李叔叔买了30000元的国债，定期3年，年利率3.2%，到期后他可取回多少元．
<gadget id="calculator">3.2 / 100</gadget>
<output>0.032</output>

<gadget id="calculator">30_000 * 0.032 * 3</gadget>
<output>2_880</output>

<gadget id="calculator">30_000 + 2_880</gadget>
<output>32_880</output>

<result>32_880</result>