Mom deposits 2,000 yuan in the bank. If the monthly interest rate is 0.125%, how much will be the pre-tax interest after half a year?
妈妈存入银行2000元钱，如果每月的利率是0.125%，存满半年时，应得税前利息多少元．
<gadget id="calculator">0.125 / 100</gadget>
<output>0.00125</output>

<gadget id="calculator">2_000 * 0.00125 * 6</gadget>
<output>15</output>

<result>15</result>