No problem, we've got 20468689 and 41741712 to multiply
20468689 × 41741712 = 41741712 × (20468689)
+ 41741712 × 9 that is equal 375675408
+ 41741712 × 80 resulting in 3339336960
+ 41741712 × 600 that equals 25045027200
+ 41741712 × 8000 which equals 333933696000
+ 41741712 × 60000 which equals 2504502720000
+ 41741712 × 400000 producing 16696684800000
+ 41741712 × 0000000 that results in 0
+ 41741712 × 20000000 that results in 834834240000000

= 854398121255568
