Xiaohong's family bought a commercial house with two bedrooms and two halls in a certain garden by installment payment, and the house price was 650,000 yuan. The specific payment method is: a down payment of 130,000 yuan, followed by a monthly payment of 3,400 yuan, with a monthly interest rate of 4.2%, paid off in 20 years. How much does Xiaohong's family need to buy this suite?
小红家以分期付款的方式在某花园买了一套二室二厅的商品房，房价为65万元．具体付款方式为：首付13万元，以后每月付3400元，月利率为4.2%，20年付清．小红家需多少钱买这套房？
<gadget id="calculator">13 * 10_000</gadget>
<output>130_000</output>

<gadget id="calculator">3_400 * 12 * 20</gadget>
<output>816_000</output>

<gadget id="calculator">130_000 + 816_000</gadget>
<output>946_000</output>

<result>946_000</result>