Alright, let's work through 89777942 times 46679325 step by step
89777942 × 46679325 = 46679325 × (89777942)
+ 46679325 × 2 that equals 93358650
+ 46679325 × 40 that equals 1867173000
+ 46679325 × 900 which equals 42011392500
+ 46679325 × 7000 that is equal 326755275000
+ 46679325 × 70000 that is equal 3267552750000
+ 46679325 × 700000 that results in 32675527500000
+ 46679325 × 9000000 that equals 420113925000000
+ 46679325 × 80000000 what gives us 3734346000000000

= 4190773732449150
