Grandma will deposit and withdraw 50,000 yuan in lump sum for 2 years, calculated at an annual interest rate of 4.40%, how much interest will Grandma Zhang get after maturity?
奶奶将5万元整存整取2年，按4.40%的年利率计算，到期后张奶奶得到利息多少钱？
<gadget id="calculator">5 * 10_000</gadget>
<output>50_000</output>

<gadget id="calculator">4.4 / 100</gadget>
<output>0.044</output>

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

<result>4_400</result>