No problem, we've got 72521055 and 80737655 to multiply
72521055 × 80737655 = 80737655 × (72521055)
+ 80737655 × 5 resulting in 403688275
+ 80737655 × 50 producing 4036882750
+ 80737655 × 000 giving us 0
+ 80737655 × 1000 what gives us 80737655000
+ 80737655 × 20000 that results in 1614753100000
+ 80737655 × 500000 which equals 40368827500000
+ 80737655 × 2000000 producing 161475310000000
+ 80737655 × 70000000 resulting in 5651635850000000

= 5855179918826025
