Mom deposits 5,000 yuan in the bank (without paying interest tax) for two years. If the annual interest rate is 4.50%, how much yuan can she get back the principal and interest when it matures?
妈妈把5000元钱存入银行(不缴纳利息税)，定期两年，如果年利率是4.50%，到期时，她可以取回本息多少元．
<gadget id="calculator">4.5 / 100</gadget>
<output>0.045</output>

<gadget id="calculator">5_000 * 0.045 * 2</gadget>
<output>450</output>

<gadget id="calculator">450 + 5_000</gadget>
<output>5_450</output>

<result>5_450</result>