[orclev]

Might have been better to demonstrate that using subtraction as addition is commutative and thus either one works fine in this case.

[sokoloff]

One is 27; the other is 36.

[orclev]

LOL, apparently I suck as a parser. I read them as just swaps of the numbers, I.E. 23 4 + vs. 4 23 +.