m⊗n=mn+m−nm \otimes n = mn + m - nm⊗n=mn+m−n
3 ⊗\otimes⊗ (2 ⊗\otimes⊗ 4)
2 ⊗\otimes⊗ 4 = 2(4) + 2 - 4 = 6
3 otimesotimesotimes 6 = 3(6) + 3 - 6 = 15
