No problem, we've got 85215742 and 56780005 to multiply
85215742 × 56780005 = 56780005 × (85215742)
+ 56780005 × 2 yielding 113560010
+ 56780005 × 40 producing 2271200200
+ 56780005 × 700 that equals 39746003500
+ 56780005 × 5000 giving us 283900025000
+ 56780005 × 10000 giving us 567800050000
+ 56780005 × 200000 resulting in 11356001000000
+ 56780005 × 5000000 yielding 283900025000000
+ 56780005 × 80000000 giving us 4542400400000000

= 4838550256838710
