78 乘法 84 等于多少？

78 × 83 = 6474 78 × 85 = 6630 78 × 82 = 6396 78 × 86 = 6708 78 × 87 = 6786 78 × 81 = 6318 78 × 88 = 6864 78 × 80 = 6240 77 × 84 = 6468 79 × 84 = 6636 76 × 84 = 6384 80 × 84 = 6720 75 × 84 = 6300 81 × 84 = 6804 74 × 84 = 6216 82 × 84 = 6888 72 × 91 = 6552 84 × 78 = 6552 91 × 72 = 6552 23 × 2 = 46 9 × 89 = 801 2 × 54 = 108 12 × 65 = 780 30 × 7 = 210 48 × 31 = 1488 5 × 92 = 460 92 × 48 = 4416 60 × 16 = 960 89 × 98 = 8722 47 × 20 = 940