No problem, we've got 25549978 and 42163805 to multiply
25549978 × 42163805 = 42163805 × (25549978)
+ 42163805 × 8 yielding 337310440
+ 42163805 × 70 what gives us 2951466350
+ 42163805 × 900 what gives us 37947424500
+ 42163805 × 9000 producing 379474245000
+ 42163805 × 40000 giving us 1686552200000
+ 42163805 × 500000 yielding 21081902500000
+ 42163805 × 5000000 that results in 210819025000000
+ 42163805 × 20000000 resulting in 843276100000000

= 1077284290146290
