Alright, let's work through 67969989 times 99509603 step by step
67969989 × 99509603 = 99509603 × (67969989)
+ 99509603 × 9 yielding 895586427
+ 99509603 × 80 that equals 7960768240
+ 99509603 × 900 that equals 89558642700
+ 99509603 × 9000 resulting in 895586427000
+ 99509603 × 60000 producing 5970576180000
+ 99509603 × 900000 resulting in 89558642700000
+ 99509603 × 7000000 giving us 696567221000000
+ 99509603 × 60000000 resulting in 5970576180000000

= 6763666621304367
