The one-year fixed deposit interest rate of the bank is increased by 1.89%. Then, based on the one-year fixed deposit of 100,000 yuan, how much more interest can be gained (deducting 5% interest tax).
银行一年定期存款利率提高1.89%，那么按10万元定期存款一年计算，可多得利息(扣除5%利息税)多少元．
<gadget id="calculator">10 * 10_000</gadget>
<output>100_000</output>

<gadget id="calculator">1.89 / 100</gadget>
<output>0.0189</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">100_000 * 0.0189 * 1 * (19/20)</gadget>
<output>1_795.5</output>

<result>1_795.5</result>