No problem, we've got 81026870 and 42593858 to multiply
81026870 × 42593858 = 42593858 × (81026870)
+ 42593858 × 0 producing 0
+ 42593858 × 70 yielding 2981570060
+ 42593858 × 800 that equals 34075086400
+ 42593858 × 6000 that equals 255563148000
+ 42593858 × 20000 what gives us 851877160000
+ 42593858 × 000000 what gives us 0
+ 42593858 × 1000000 that equals 42593858000000
+ 42593858 × 80000000 that equals 3407508640000000

= 3451246994964460
