No problem, we've got 72479450 and 66509572 to multiply
72479450 × 66509572 = 66509572 × (72479450)
+ 66509572 × 0 giving us 0
+ 66509572 × 50 producing 3325478600
+ 66509572 × 400 that is equal 26603828800
+ 66509572 × 9000 resulting in 598586148000
+ 66509572 × 70000 what gives us 4655670040000
+ 66509572 × 400000 yielding 26603828800000
+ 66509572 × 2000000 which equals 133019144000000
+ 66509572 × 70000000 which equals 4655670040000000

= 4820577198295400
