The code without print doesn't throw any error for me. With print, the usual trick is to add a +: 
print +($a + $b)->bfac;

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It is a hint to the parser that the left parenthesis doesn't start the argument list for print.

لսႽ† ᥲᥒ⚪⟊Ⴙᘓᖇ Ꮅᘓᖇ⎱ Ⴙᥲ𝇋ƙᘓᖇ

In reply to Re: Scalar Context Not Applied During Method Call by choroba
in thread Scalar Context Not Applied During Method Call by gregory-nisbet

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