40 乘法 18 等于多少？

40 × 17 = 680 40 × 19 = 760 40 × 20 = 800 40 × 16 = 640 40 × 21 = 840 40 × 15 = 600 40 × 22 = 880 40 × 14 = 560 39 × 18 = 702 41 × 18 = 738 38 × 18 = 684 42 × 18 = 756 37 × 18 = 666 43 × 18 = 774 44 × 18 = 792 36 × 18 = 648 8 × 90 = 720 9 × 80 = 720 10 × 72 = 720 12 × 60 = 720 15 × 48 = 720 16 × 45 = 720 78 × 74 = 5772 41 × 47 = 1927 7 × 22 = 154 14 × 14 = 196 8 × 56 = 448 35 × 84 = 2940 63 × 93 = 5859 64 × 8 = 512