In January 2006, Zhang Wei deposited 5,000 yuan in the bank. How much is the after-tax interest due in two years (calculated at an interest rate of 2.25%)?
2006年1月张伟把5000元存入银行，两年(按利息2.25%计算)到期应得税后利息多少元？
<gadget id="calculator">2.25 / 100</gadget>
<output>0.0225</output>

<gadget id="calculator">5_000 * 0.0225 * 2</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>