The annual interest rate of the three-year treasury bill is 2.4%. Aunt Liu buys this kind of treasury bill for 2,400 yuan.
三年期的国库券的年利率是2.4%，刘阿姨购买此种国库券2400元，到期后连本带息共可得多少元．
<gadget id="calculator">2.4 / 100</gadget>
<output>0.024</output>

<gadget id="calculator">2_400 * 0.024 * 3</gadget>
<output>172.8</output>

<gadget id="calculator">2_400 + 172.8</gadget>
<output>2_572.8</output>

<result>2_572.8</result>