No problem, we've got 72148988 and 89840529 to multiply
72148988 × 89840529 = 89840529 × (72148988)
+ 89840529 × 8 resulting in 718724232
+ 89840529 × 80 resulting in 7187242320
+ 89840529 × 900 producing 80856476100
+ 89840529 × 8000 what gives us 718724232000
+ 89840529 × 40000 yielding 3593621160000
+ 89840529 × 100000 that equals 8984052900000
+ 89840529 × 2000000 resulting in 179681058000000
+ 89840529 × 70000000 producing 6288837030000000

= 6481903248734652
