Alright, let's work through 31390462 times 40491950 step by step
31390462 × 40491950 = 40491950 × (31390462)
+ 40491950 × 2 that is equal 80983900
+ 40491950 × 60 which equals 2429517000
+ 40491950 × 400 producing 16196780000
+ 40491950 × 0000 that results in 0
+ 40491950 × 90000 producing 3644275500000
+ 40491950 × 300000 that is equal 12147585000000
+ 40491950 × 1000000 that results in 40491950000000
+ 40491950 × 30000000 that equals 1214758500000000

= 1271061017780900
