14 乘法 21 等于多少？

14 × 20 = 280 14 × 22 = 308 14 × 19 = 266 14 × 23 = 322 14 × 24 = 336 14 × 18 = 252 14 × 25 = 350 14 × 17 = 238 13 × 21 = 273 15 × 21 = 315 12 × 21 = 252 16 × 21 = 336 11 × 21 = 231 17 × 21 = 357 10 × 21 = 210 18 × 21 = 378 3 × 98 = 294 6 × 49 = 294 7 × 42 = 294 21 × 14 = 294 42 × 7 = 294 49 × 6 = 294 20 × 18 = 360 24 × 80 = 1920 35 × 54 = 1890 41 × 74 = 3034 80 × 37 = 2960 20 × 62 = 1240 22 × 75 = 1650 28 × 99 = 2772