Alright, let's work through 20187741 times 3027487 step by step
20187741 × 3027487 = 3027487 × (20187741)
+ 3027487 × 1 producing 3027487
+ 3027487 × 40 that results in 121099480
+ 3027487 × 700 resulting in 2119240900
+ 3027487 × 7000 yielding 21192409000
+ 3027487 × 80000 yielding 242198960000
+ 3027487 × 100000 yielding 302748700000
+ 3027487 × 0000000 what gives us 0
+ 3027487 × 20000000 yielding 60549740000000

= 61118123436867
