Not bad at all.
This kind of verbal pun reminds me of this other much more elaborated one I saw decades ago in one of the late Martin Gardner's superb books on recreational mathematics (the Native American [i.e.: Indian] version, that is):
http://komplexify.com/math/jokes/PythagoreanTheoremPun.html
Regards.
V.
32. Two mathematicians arguing about even numbers were at odds. They're still at sixes and sevens with each other.
There is a remarkable alphanumeric equation in which two anagram phrases are equal, both alphabetically and numerically.
ELEVEN + TWO = TWELVE + ONE