Uncle Zhang deposits 2,000 yuan in the bank for a fixed term of one year, with an annual interest rate of 1.98%. How much after-tax interest can he get when it matures? (Pay interest tax 5%)
张叔叔把2000元存入银行，存定期一年，年利率是1.98%，到期时能得到税后利息多少元？(交纳利息税5%)
<gadget id="calculator">1.98 / 100</gadget>
<output>0.0198</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">2_000 * 0.0198 * 1 * (19/20)</gadget>
<output>37.62</output>

<result>37.62</result>