Alright, let's work through 27728345 times 67253889 step by step
27728345 × 67253889 = 67253889 × (27728345)
+ 67253889 × 5 that equals 336269445
+ 67253889 × 40 producing 2690155560
+ 67253889 × 300 what gives us 20176166700
+ 67253889 × 8000 that is equal 538031112000
+ 67253889 × 20000 producing 1345077780000
+ 67253889 × 700000 that equals 47077722300000
+ 67253889 × 7000000 which equals 470777223000000
+ 67253889 × 20000000 that results in 1345077780000000

= 1864839036783705
