No problem, we've got 64083389 and 88000049 to multiply
64083389 × 88000049 = 88000049 × (64083389)
+ 88000049 × 9 that equals 792000441
+ 88000049 × 80 producing 7040003920
+ 88000049 × 300 yielding 26400014700
+ 88000049 × 3000 what gives us 264000147000
+ 88000049 × 80000 which equals 7040003920000
+ 88000049 × 000000 yielding 0
+ 88000049 × 4000000 resulting in 352000196000000
+ 88000049 × 60000000 what gives us 5280002940000000

= 5639341372086061
