Xiaoming’s family is going to buy a commercial house with a total price of 800,000 yuan. The down payment is 80% of the total price. For the remaining money, Xiaoming’s father has applied for a personal housing provident fund loan. The loan period is 5 years and the annual interest rate is 4.7%. How much is the loan interest?
小明家准备购买一幢总价为80万元的商品房，首付为总价的80%，余下的钱小明爸爸申请了个人住房公积金贷款，贷款期为5年，年利率为4.7%，一共要交贷款利息多少钱？
<gadget id="calculator">4.7 / 100</gadget>
<output>0.047</output>

<gadget id="calculator">160_000 * 0.047 * 5</gadget>
<output>37_600</output>

<result>37_600</result>