No problem, we've got 27946891 and 72169305 to multiply
27946891 × 72169305 = 72169305 × (27946891)
+ 72169305 × 1 that results in 72169305
+ 72169305 × 90 yielding 6495237450
+ 72169305 × 800 which equals 57735444000
+ 72169305 × 6000 producing 433015830000
+ 72169305 × 40000 that is equal 2886772200000
+ 72169305 × 900000 yielding 64952374500000
+ 72169305 × 7000000 which equals 505185135000000
+ 72169305 × 20000000 resulting in 1443386100000000

= 2016907700380755
