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> my $x=9.999999999999999999999999999999999999999999999.Rat; $x.nude (9999999999999999999999999999999999999999999999 1000000000000000000000 +000000000000000000000000) > $x.WHAT (Rat)
> $x *= 0.3.FatRat; $x.nude (29999999999999999999999999999999999999999999997 100000000000000000000 +00000000000000000000000000) > $x.WHAT (FatRat)