If \(\overset{⃗}{a},\overset{⃗}{b},\overset{⃗}{c}\) are three non-coplanar vectors and \(\overset{⃗}{p},\overset{⃗}{q},\overset{⃗}{r}\) are defined as \(\overset{⃗}{p} = \frac{\overset{⃗}{b}\times \overset{⃗}{c}}{[\overset{⃗}{a} \overset{⃗}{b} \overset{⃗}{c}]},\overset{⃗}{q} = \frac{\overset{⃗}{c}\times \overset{⃗}{a}}{[\overset{⃗}{a} \overset{⃗}{b} \overset{⃗}{c}]},\overset{⃗}{r} = \frac{\overset{⃗}{a}\times \overset{⃗}{b}}{[\overset{⃗}{a} \overset{⃗}{b} \overset{⃗}{c}]}\), then \([(\overset{⃗}{a}+\overset{⃗}{b})\cdot \overset{⃗}{p}+(\overset{⃗}{b}+\overset{⃗}{c})\cdot \overset{⃗}{q}+(\overset{⃗}{c}+\overset{⃗}{a})\cdot \overset{⃗}{r}]\) is equal to