Teacher Zhang deposited 3,000 yuan in the bank for a period of three years, with an annual interest rate of 5.40% and an interest tax of 20%. How much money can Mr. Zhang get after the expiration?
张老师把3000元钱存入银行，存期为三年，年利率为5.40%，利息税为20%．到期后张老师能拿到多少钱？
<gadget id="calculator">5.4 / 100</gadget>
<output>0.054</output>

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">3_000 * 0.054 * 3 * (4/5)</gadget>
<output>388.8</output>

<gadget id="calculator">3_000 + 388.8</gadget>
<output>3_388.8</output>

<result>3_388.8</result>