Mr. Wang deposits 2,000 yuan in the bank for a period of three years, with an annual interest rate of 3.24%. How much can you get back the principal and after-tax interest? (interest tax rate 20%)
王老师把2000元存入银行，定期三年，年利率为3.24%，到期后可取回本金和税后利息共多少元？(利息税率20%)
<gadget id="calculator">3.24 / 100</gadget>
<output>0.0324</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">2_000 * 0.0324 * 3 * (4/5)</gadget>
<output>155.52</output>

<gadget id="calculator">2_000 + 155.52</gadget>
<output>2_155.52</output>

<result>2_155.52</result>