Purchase a household appliance priced at 10,225 yuan and pay in two installments. And the number of payments per installment is equal. The first installment has been paid at the time of purchase. Pay the second installment after one year. In this way, the entire selling price and the interest on the arrears after the first installment are paid off. If the annual interest rate is 4.5%. So how much is the payment per installment?
购买一台售价为10225元的家用电器，分两期付款．且每期付款数相等．第一期款在购买时已付清．经一年后付第二期款．这样就付清了全部售价和第一期付款后欠款部分的利息．如果年利率为4.5%．那么每期付款多少？
<gadget id="calculator">4.5 / 100</gadget>
<output>0.045</output>

<gadget id="calculator">10_225 * 0.045</gadget>
<output>460.125</output>

<gadget id="calculator">10_225 + 460.125</gadget>
<output>10_685.125</output>

<gadget id="calculator">1 + 0.045 + 1</gadget>
<output>2.045</output>

<gadget id="calculator">10_685.125 / 2.045</gadget>
<output>5_225</output>

<result>5_225</result>