Uncle Zhang deposits 50,000 yuan in cash in the bank for two years, with an annual interest rate of 4.4%. How much can Uncle Zhang get back the principal and interest when it expires?
张叔叔把50000元现金存入银行，定期两年，年利率为4.4%，到期时张叔叔可以取回本息多少元？
<gadget id="calculator">4.4 / 100</gadget>
<output>0.044</output>

<gadget id="calculator">50_000 * 0.044 * 2</gadget>
<output>4_400</output>

<gadget id="calculator">50_000 + 4_400</gadget>
<output>54_400</output>

<result>54_400</result>