No problem, we've got 47807971 and 81424894 to multiply
47807971 × 81424894 = 81424894 × (47807971)
+ 81424894 × 1 giving us 81424894
+ 81424894 × 70 yielding 5699742580
+ 81424894 × 900 that results in 73282404600
+ 81424894 × 7000 that results in 569974258000
+ 81424894 × 00000 what gives us 0
+ 81424894 × 800000 producing 65139915200000
+ 81424894 × 7000000 that is equal 569974258000000
+ 81424894 × 40000000 what gives us 3256995760000000

= 3892758971030074
