No problem, we've got 85385769 and 45137927 to multiply
85385769 × 45137927 = 45137927 × (85385769)
+ 45137927 × 9 which equals 406241343
+ 45137927 × 60 that results in 2708275620
+ 45137927 × 700 giving us 31596548900
+ 45137927 × 5000 which equals 225689635000
+ 45137927 × 80000 what gives us 3611034160000
+ 45137927 × 300000 that is equal 13541378100000
+ 45137927 × 5000000 which equals 225689635000000
+ 45137927 × 80000000 what gives us 3611034160000000

= 3854136607960863
