The school wants to order 485 sets of school uniforms. The price of the clothing company is: less than 500 sets, 130 yuan for 400 sets and above; 122 yuan for 500 sets and above. So, how should schools buy?
学校要订制485套校服，服装公司的价格是：500套以下，400套及以上每套130元；500套及以上每套122元．那么，学校应该如何购买？
<result>500</result>