No problem, we've got 76427296 and 71712439 to multiply
76427296 × 71712439 = 71712439 × (76427296)
+ 71712439 × 6 what gives us 430274634
+ 71712439 × 90 that is equal 6454119510
+ 71712439 × 200 producing 14342487800
+ 71712439 × 7000 yielding 501987073000
+ 71712439 × 20000 giving us 1434248780000
+ 71712439 × 400000 that equals 28684975600000
+ 71712439 × 6000000 producing 430274634000000
+ 71712439 × 70000000 giving us 5019870730000000

= 5480787802334944
