18 乘法 80 等于多少？

18 × 79 = 1422 18 × 81 = 1458 18 × 78 = 1404 18 × 82 = 1476 18 × 83 = 1494 18 × 77 = 1386 18 × 84 = 1512 18 × 76 = 1368 17 × 80 = 1360 19 × 80 = 1520 20 × 80 = 1600 16 × 80 = 1280 21 × 80 = 1680 15 × 80 = 1200 22 × 80 = 1760 14 × 80 = 1120 15 × 96 = 1440 16 × 90 = 1440 20 × 72 = 1440 24 × 60 = 1440 30 × 48 = 1440 32 × 45 = 1440 62 × 17 = 1054 77 × 4 = 308 1 × 87 = 87 34 × 29 = 986 86 × 15 = 1290 11 × 1 = 11 3 × 89 = 267 78 × 47 = 3666