Deposit 20,000 yuan in the bank for 2 years, the annual interest rate is 4.4%, how much interest can you get when it matures? (interest tax free)
把2万元存入银行，定期2年，年利率是4.4%，到期时可得利息多少元．(免利息税)
<gadget id="calculator">2 * 10_000</gadget>
<output>20_000</output>

<gadget id="calculator">4.4 / 100</gadget>
<output>0.044</output>

<gadget id="calculator">20_000 * 0.044 * 2</gadget>
<output>1_760</output>

<result>1_760</result>