Mom bought a 3-year treasury bond with 10,000 yuan, with an annual interest rate of 4.5%. How much money can she get back when it expires?
妈妈用1万元钱，购买了3年期国债，年利率4.5%，到期时妈妈可取回多少元钱．
<gadget id="calculator">4.5 / 100</gadget>
<output>0.045</output>

<gadget id="calculator">10_000 * 0.045 * 3</gadget>
<output>1_350</output>

<gadget id="calculator">10_000 + 1_350</gadget>
<output>11_350</output>

<result>11_350</result>