No problem, we've got 81198152 and 37882025 to multiply
81198152 × 37882025 = 37882025 × (81198152)
+ 37882025 × 2 what gives us 75764050
+ 37882025 × 50 yielding 1894101250
+ 37882025 × 100 that results in 3788202500
+ 37882025 × 8000 giving us 303056200000
+ 37882025 × 90000 what gives us 3409382250000
+ 37882025 × 100000 producing 3788202500000
+ 37882025 × 1000000 producing 37882025000000
+ 37882025 × 80000000 what gives us 3030562000000000

= 3075950424017800
