Master Wang deposits 300 yuan in the bank for one year, and the annual interest rate is 1.98%. How much interest can he actually get after deducting the interest tax when it matures?
王师傅把300元钱存入银行一年，年利率是1.98%，到期时扣除利息税实际可得多少元利息？
<gadget id="calculator">1.98 / 100</gadget>
<output>0.0198</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">300 * 0.0198 * 1 * (4/5)</gadget>
<output>4.752</output>

<result>4.752</result>