No problem, we've got 90799463 and 87848365 to multiply
90799463 × 87848365 = 87848365 × (90799463)
+ 87848365 × 3 which equals 263545095
+ 87848365 × 60 which equals 5270901900
+ 87848365 × 400 what gives us 35139346000
+ 87848365 × 9000 producing 790635285000
+ 87848365 × 90000 giving us 7906352850000
+ 87848365 × 700000 resulting in 61493855500000
+ 87848365 × 0000000 which equals 0
+ 87848365 × 90000000 that results in 7906352850000000

= 7976584367427995
