No problem, we've got 42027538 and 38946761 to multiply
42027538 × 38946761 = 38946761 × (42027538)
+ 38946761 × 8 giving us 311574088
+ 38946761 × 30 that equals 1168402830
+ 38946761 × 500 that results in 19473380500
+ 38946761 × 7000 yielding 272627327000
+ 38946761 × 20000 that equals 778935220000
+ 38946761 × 000000 producing 0
+ 38946761 × 2000000 that is equal 77893522000000
+ 38946761 × 40000000 that equals 1557870440000000

= 1636836477904418
