Can LPeg do basic arithmetic?

["Soni L." <fakedme@...>]

As you may or may not know by now, regex can do basic arithmetic, with 
unary integers.[1] Can LPeg do better, say with binary integers, or 
binary floats, or even full-blown decimal?

[1] 
http://stackoverflow.com/questions/38170728/can-regex-do-basic-arithmetic

(inb4 someone makes a bignum library using nothing but lpeg) ;)

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