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  1. or download this
    19:27 >perl -wE "my $x = 2 * 4.5; my $y = int($x + 0.5); say $y;"
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19:28 >
  2. or download this
    19:28 >perl -wE "my $x = 8.99999999998; my $y = int($x + 0.5); say $y;
+"
9

19:30 >