Meng Hua's family deposited 15,000 yuan in the bank for a period of three years, with an annual interest rate of 2.25%. How much can the principal and after-tax interest be withdrawn after maturity?
孟华家把15000元存入银行，定期三年，年利率2.25%，到期后可取出本金和税后利息共多少元？
<gadget id="calculator">2.25 / 100</gadget>
<output>0.0225</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">15_000 * 0.0225 * 3 * (19/20)</gadget>
<output>961.875</output>

<gadget id="calculator">15_000 + 961.875</gadget>
<output>15_961.875</output>

<result>15_961.875</result>