The annual interest rate of three-year treasury bills is 2.4%. Mom buys treasury bills of 50,000 yuan.
三年期国库券的年利率是2.4%，妈妈购买国库券5万元，到期时连本带息共多少元．
<gadget id="calculator">5 * 10_000</gadget>
<output>50_000</output>

<gadget id="calculator">2.4 / 100</gadget>
<output>0.024</output>

<gadget id="calculator">50_000 * 0.024 * 3</gadget>
<output>3_600</output>

<gadget id="calculator">3_600 + 50_000</gadget>
<output>53_600</output>

<result>53_600</result>