Xiaohua's mother deposited 1,000 yuan in the bank for three years. If the annual interest rate is calculated at 5%, how much can you get back at maturity (5% interest tax will be deducted according to regulations)
小华的妈妈把1000元钱存入银行，定期三年．如果年利率按5%计算，到期一共可以取回多少元(按规定要扣除5%的利息税)
<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_000 * (1/20) * 3 * (19/20)</gadget>
<output>285/2 = around 142.5</output>

<gadget id="calculator">1_000 + (285/2)</gadget>
<output>2_285/2 = around 1_142.5</output>

<result>2_285/2 = around 1_142.5</result>