Uncle Zhang deposits 50,000 yuan in the bank for 2 years, with an annual interest rate of 4.5%. When he withdraws the money when it expires, how much will Uncle Zhang get with the principal and interest?
张叔叔把5万元钱存入银行，存定期2年，年利率是4.5%，到期时去取钱，张叔叔连本带利可得多少元？
<gadget id="calculator">5 * 10_000</gadget>
<output>50_000</output>

<gadget id="calculator">4.5 / 100</gadget>
<output>0.045</output>

<gadget id="calculator">50_000 * 0.045 * 2</gadget>
<output>4_500</output>

<gadget id="calculator">50_000 + 4_500</gadget>
<output>54_500</output>

<result>54_500</result>