15 乘法 84 等于多少？

15 × 83 = 1245 15 × 85 = 1275 15 × 82 = 1230 15 × 86 = 1290 15 × 87 = 1305 15 × 81 = 1215 15 × 88 = 1320 15 × 80 = 1200 14 × 84 = 1176 16 × 84 = 1344 13 × 84 = 1092 17 × 84 = 1428 12 × 84 = 1008 18 × 84 = 1512 11 × 84 = 924 19 × 84 = 1596 14 × 90 = 1260 18 × 70 = 1260 20 × 63 = 1260 21 × 60 = 1260 28 × 45 = 1260 30 × 42 = 1260 26 × 94 = 2444 69 × 42 = 2898 7 × 56 = 392 63 × 20 = 1260 7 × 79 = 553 41 × 57 = 2337 33 × 90 = 2970 78 × 100 = 7800