There are four kinds of goods A, B, C, and D. If you buy 1 item of A, 5 items of B, 1 item of C, and 3 items of D, the total cost is 195 yuan; if you buy 2 items of A, 1 item of B, 4 items of C, and 2 items of D A total of 183 yuan is needed for each piece; if you buy 2 pieces of A, 6 pieces of B, 6 pieces of C, and 5 pieces of D, the total cost is 375 yuan. How much does it cost to buy one piece of A, B, C, and D now?
有甲、乙、丙、丁四种货物，若购买甲1件、乙5件、丙1件、丁3件共需195元；若购买甲2件、乙l件、丙4件、丁2件共需183元；若购买甲2件、乙6件、丙6件、丁5件共需375元．现在购买甲、乙、丙、丁各一件共需多少元？
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