61 乘法 81 等于多少？

61 × 80 = 4880 61 × 82 = 5002 61 × 83 = 5063 61 × 79 = 4819 61 × 84 = 5124 61 × 78 = 4758 61 × 85 = 5185 61 × 77 = 4697 60 × 81 = 4860 62 × 81 = 5022 59 × 81 = 4779 63 × 81 = 5103 58 × 81 = 4698 64 × 81 = 5184 65 × 81 = 5265 57 × 81 = 4617 81 × 61 = 4941 7 × 54 = 378 57 × 85 = 4845 66 × 16 = 1056 89 × 90 = 8010 18 × 24 = 432 47 × 50 = 2350 4 × 72 = 288 25 × 39 = 975 28 × 28 = 784 29 × 63 = 1827 80 × 50 = 4000 67 × 38 = 2546