12 乘法 81 等于多少？

12 × 80 = 960 12 × 82 = 984 12 × 83 = 996 12 × 79 = 948 12 × 84 = 1008 12 × 78 = 936 12 × 85 = 1020 12 × 77 = 924 11 × 81 = 891 13 × 81 = 1053 10 × 81 = 810 14 × 81 = 1134 15 × 81 = 1215 9 × 81 = 729 16 × 81 = 1296 8 × 81 = 648 18 × 54 = 972 27 × 36 = 972 36 × 27 = 972 54 × 18 = 972 81 × 12 = 972 21 × 94 = 1974 50 × 35 = 1750 76 × 45 = 3420 23 × 35 = 805 74 × 54 = 3996 14 × 63 = 882 94 × 27 = 2538 53 × 9 = 477 19 × 67 = 1273