No problem, we've got 72525384 and 19628739 to multiply
72525384 × 19628739 = 19628739 × (72525384)
+ 19628739 × 4 that is equal 78514956
+ 19628739 × 80 resulting in 1570299120
+ 19628739 × 300 yielding 5888621700
+ 19628739 × 5000 producing 98143695000
+ 19628739 × 20000 resulting in 392574780000
+ 19628739 × 500000 producing 9814369500000
+ 19628739 × 2000000 resulting in 39257478000000
+ 19628739 × 70000000 what gives us 1374011730000000

= 1423581833410776
