Zhang Hua deposits 400 yuan in the bank, and deposits and withdraws in lump sum for 3 years, with an annual interest rate of 3.24%. How much after-tax interest will Zhang Hua get when it matures?
张华把400元钱存入银行，整存整取3年，年利率是3.24%，到期时张华可得税后利息多少元？
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