If ∥u∥=3\|\mathbf{u}\| = 3∥u∥=3 and ∥v∥=4\|\mathbf{v}\| = 4∥v∥=4 and the angle between them is 60°60°60°, what is u⋅v\mathbf{u} \cdot \mathbf{v}u⋅v?
121212
636\sqrt{3}63
666
12312\sqrt{3}123