Alright, let's work through 89167949 times 14426147 step by step
89167949 × 14426147 = 14426147 × (89167949)
+ 14426147 × 9 which equals 129835323
+ 14426147 × 40 resulting in 577045880
+ 14426147 × 900 that equals 12983532300
+ 14426147 × 7000 that equals 100983029000
+ 14426147 × 60000 which equals 865568820000
+ 14426147 × 100000 yielding 1442614700000
+ 14426147 × 9000000 that equals 129835323000000
+ 14426147 × 80000000 what gives us 1154091760000000

= 1286349939962503
