Calculates the scalar quadruple product of four vectors.

// Returns 0 (scalar quadruple product of orthogonal vector pairs)
const product = Chalkboard.vect.scalarQuadruple(
Chalkboard.vect.init(1, 0, 0),
Chalkboard.vect.init(0, 1, 0),
Chalkboard.vect.init(0, 0, 1),
Chalkboard.vect.init(1, 1, 0)
);