On July 5, 2006, Lantian's mother deposited 10,000 yuan in the bank. According to the regulations of the bank at that time, the annual interest rate of one-year lump sum deposit and withdrawal deposit is 2.25%, and the interest tax is 20%. When due, in addition to the principal and interest tax, how much should she receive in interest.
2006年7月5日，蓝田妈妈存入银行10000元．按银行当时的规定，一年期整存整取存款的年利率为2.25%，利息税为20%．到期时，除本金和利息税外，她应得到利息多少元．
<gadget id="calculator">2.25 / 100</gadget>
<output>0.0225</output>

<gadget id="calculator">10_000 * 0.0225 * 1</gadget>
<output>225</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">225 * (4/5)</gadget>
<output>180</output>

<result>180</result>