Alright, let's work through 72197898 times 50833194 step by step
72197898 × 50833194 = 50833194 × (72197898)
+ 50833194 × 8 resulting in 406665552
+ 50833194 × 90 that is equal 4574987460
+ 50833194 × 800 that is equal 40666555200
+ 50833194 × 7000 resulting in 355832358000
+ 50833194 × 90000 that results in 4574987460000
+ 50833194 × 100000 producing 5083319400000
+ 50833194 × 2000000 which equals 101666388000000
+ 50833194 × 70000000 resulting in 3558323580000000

= 3670049755426212
