The army canteen needs 1000 kg of rice and 200 kg of millet for dinner. When the quartermaster arrived at the rice shop, he found that the rice shop was on sale. "Rice 1 yuan 1 kg, and each purchase 1 kg is given1kg. We buy rice x Jin, millet y Jin, and set equations:? x+25？ y≤ 1000 1 10？ x+？ y≤200，

Get the approximate weight: 950kg of rice and 0/05kg of millet/kloc. At this time, 1 160 yuan was spent. There are 992 kilograms of rice and 200 kilograms of millet, and then 8 yuan can buy 8 kilograms of rice, at least 165438 yuan;

A: Quartermaster must pay at least 1 168 yuan to buy enough food.

So the answer is: 1 168.