No problem, we've got 72140459 and 52142829 to multiply
72140459 × 52142829 = 52142829 × (72140459)
+ 52142829 × 9 producing 469285461
+ 52142829 × 50 giving us 2607141450
+ 52142829 × 400 producing 20857131600
+ 52142829 × 0000 producing 0
+ 52142829 × 40000 that is equal 2085713160000
+ 52142829 × 100000 resulting in 5214282900000
+ 52142829 × 2000000 that is equal 104285658000000
+ 52142829 × 70000000 yielding 3649998030000000

= 3761607617618511
