Alright, let's work through 85336049 times 72774643 step by step
85336049 × 72774643 = 72774643 × (85336049)
+ 72774643 × 9 giving us 654971787
+ 72774643 × 40 which equals 2910985720
+ 72774643 × 000 yielding 0
+ 72774643 × 6000 that is equal 436647858000
+ 72774643 × 30000 that equals 2183239290000
+ 72774643 × 300000 resulting in 21832392900000
+ 72774643 × 5000000 resulting in 363873215000000
+ 72774643 × 80000000 what gives us 5821971440000000

= 6210300501005507
