No problem, we've got 85727457 and 64881516 to multiply
85727457 × 64881516 = 64881516 × (85727457)
+ 64881516 × 7 what gives us 454170612
+ 64881516 × 50 which equals 3244075800
+ 64881516 × 400 yielding 25952606400
+ 64881516 × 7000 producing 454170612000
+ 64881516 × 20000 resulting in 1297630320000
+ 64881516 × 700000 what gives us 45417061200000
+ 64881516 × 5000000 that equals 324407580000000
+ 64881516 × 80000000 yielding 5190521280000000

= 5562127372984812
