Alright, let's work through 47000789 times 42383642 step by step
47000789 × 42383642 = 42383642 × (47000789)
+ 42383642 × 9 what gives us 381452778
+ 42383642 × 80 resulting in 3390691360
+ 42383642 × 700 that is equal 29668549400
+ 42383642 × 0000 what gives us 0
+ 42383642 × 00000 that equals 0
+ 42383642 × 000000 giving us 0
+ 42383642 × 7000000 yielding 296685494000000
+ 42383642 × 40000000 that is equal 1695345680000000

= 1992064614693538
