Alright, let's work through 9967972 times 9103429 step by step
9967972 × 9103429 = 9103429 × (9967972)
+ 9103429 × 2 resulting in 18206858
+ 9103429 × 70 what gives us 637240030
+ 9103429 × 900 resulting in 8193086100
+ 9103429 × 7000 producing 63724003000
+ 9103429 × 60000 that equals 546205740000
+ 9103429 × 900000 yielding 8193086100000
+ 9103429 × 9000000 what gives us 81930861000000

= 90742725375988
