Alright, let's work through 27139847 times 77272972 step by step
27139847 × 77272972 = 77272972 × (27139847)
+ 77272972 × 7 which equals 540910804
+ 77272972 × 40 that results in 3090918880
+ 77272972 × 800 producing 61818377600
+ 77272972 × 9000 that is equal 695456748000
+ 77272972 × 30000 that results in 2318189160000
+ 77272972 × 100000 that results in 7727297200000
+ 77272972 × 7000000 giving us 540910804000000
+ 77272972 × 20000000 yielding 1545459440000000

= 2097176637315284
