Mom deposits 4,000 yuan in the bank with an annual interest rate of 4.12%. If she takes it out after three years, how much will she get in principal and interest? (Deduct interest tax 5%)
妈妈把4000元钱存入银行，年利率为4.12%，三年后取出，妈妈可得本息多少元？(扣除利息税5%)
<gadget id="calculator">4.12 / 100</gadget>
<output>0.0412</output>

<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">1 - (1/20)</gadget>
<output>19/20 = around 0.95</output>

<gadget id="calculator">4_000 * 0.0412 * 3 * (19/20)</gadget>
<output>469.68</output>

<gadget id="calculator">4_000 + 469.68</gadget>
<output>4_469.68</output>

<result>4_469.68</result>