ðə sʌbtɹˈækʃən dˈʌn wˈʌn wˈeɪ kˌɔːɹɪspˈɑːndz tʊ ɐ lˈɔŋbˈɑːks spɹˈɛd; dˈʌn ðɪ ˈʌðɚ wˈeɪ ɪt jˈiːldz ɐ ʃˈɔːɹt bˈɑːksspɹˈɛd.
The subtraction done one way corresponds to a long-box spread; done the other way it yields a short box-spread.