Ding Ding's father bought a home theater audio set, worth 17,000 yuan, he paid 5,000 yuan as the down payment, and then paid the rest in 12-month interest-free installments. How much is the monthly contribution of Tintin's father?
丁丁的爸爸买了一套家庭影院音响组合，价值17000元，他先付5000元做首期，然后剩下的做12个月免息分期付款．请问丁丁的爸爸每月供款多少元？
<gadget id="calculator">17_000 - 5_000</gadget>
<output>12_000</output>

<gadget id="calculator">12_000 / 12</gadget>
<output>1_000</output>

<result>1_000</result>