Alright, let's work through 89378679 times 24930329 step by step
89378679 × 24930329 = 24930329 × (89378679)
+ 24930329 × 9 what gives us 224372961
+ 24930329 × 70 resulting in 1745123030
+ 24930329 × 600 giving us 14958197400
+ 24930329 × 8000 which equals 199442632000
+ 24930329 × 70000 producing 1745123030000
+ 24930329 × 300000 producing 7479098700000
+ 24930329 × 9000000 which equals 224372961000000
+ 24930329 × 80000000 resulting in 1994426320000000

= 2228239873055391
