The annual interest rate of bank deposits with a semi-annual period is 2.4%. If 1,200 yuan is deposited in the bank at a semi-annual period, how much after-tax interest can you get after maturity? (interest rate 5%)
银行半年期存款的年利率为2.4%，如果把1200元钱按半年期的储蓄存入银行，到期后可得税后利息多少元？(利率5%)
<gadget id="calculator">2.4 / 100</gadget>
<output>0.024</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">1_200 * 0.024 * 0.5 * (19/20)</gadget>
<output>13.68</output>

<result>13.68</result>