Alright, let's work through 72016657 times 67419348 step by step
72016657 × 67419348 = 67419348 × (72016657)
+ 67419348 × 7 that is equal 471935436
+ 67419348 × 50 that equals 3370967400
+ 67419348 × 600 that is equal 40451608800
+ 67419348 × 6000 that is equal 404516088000
+ 67419348 × 10000 giving us 674193480000
+ 67419348 × 000000 that results in 0
+ 67419348 × 2000000 that equals 134838696000000
+ 67419348 × 70000000 yielding 4719354360000000

= 4855316060079636
