Alright, let's work through 47780331 times 89467431 step by step
47780331 × 89467431 = 89467431 × (47780331)
+ 89467431 × 1 resulting in 89467431
+ 89467431 × 30 giving us 2684022930
+ 89467431 × 300 giving us 26840229300
+ 89467431 × 0000 what gives us 0
+ 89467431 × 80000 what gives us 7157394480000
+ 89467431 × 700000 giving us 62627201700000
+ 89467431 × 7000000 which equals 626272017000000
+ 89467431 × 40000000 that is equal 3578697240000000

= 4274783466899661
