18 乘法 40 等于多少？

18 × 39 = 702 18 × 41 = 738 18 × 38 = 684 18 × 42 = 756 18 × 37 = 666 18 × 43 = 774 18 × 44 = 792 18 × 36 = 648 17 × 40 = 680 19 × 40 = 760 20 × 40 = 800 16 × 40 = 640 21 × 40 = 840 15 × 40 = 600 22 × 40 = 880 14 × 40 = 560 8 × 90 = 720 9 × 80 = 720 10 × 72 = 720 12 × 60 = 720 15 × 48 = 720 16 × 45 = 720 12 × 22 = 264 37 × 30 = 1110 38 × 83 = 3154 81 × 17 = 1377 38 × 95 = 3610 78 × 45 = 3510 53 × 96 = 5088 87 × 98 = 8526