Alright, let's work through 72212679 times 6278007 step by step
72212679 × 6278007 = 6278007 × (72212679)
+ 6278007 × 9 that equals 56502063
+ 6278007 × 70 that is equal 439460490
+ 6278007 × 600 that equals 3766804200
+ 6278007 × 2000 that results in 12556014000
+ 6278007 × 10000 producing 62780070000
+ 6278007 × 200000 giving us 1255601400000
+ 6278007 × 2000000 resulting in 12556014000000
+ 6278007 × 70000000 that is equal 439460490000000

= 453351704250753
