13 乘法 18 等于多少？

13 × 17 = 221 13 × 19 = 247 13 × 20 = 260 13 × 16 = 208 13 × 21 = 273 13 × 15 = 195 13 × 22 = 286 13 × 14 = 182 12 × 18 = 216 14 × 18 = 252 11 × 18 = 198 15 × 18 = 270 10 × 18 = 180 16 × 18 = 288 17 × 18 = 306 9 × 18 = 162 3 × 78 = 234 6 × 39 = 234 9 × 26 = 234 18 × 13 = 234 26 × 9 = 234 39 × 6 = 234 19 × 16 = 304 71 × 80 = 5680 73 × 39 = 2847 34 × 60 = 2040 14 × 65 = 910 54 × 28 = 1512 79 × 30 = 2370 69 × 87 = 6003