120 ∘ ⋅ π 180 ∘ = 2 ⋅ 2 ⋅ 2 ⋅ 3 ⋅ 5 {\displaystyle 120^{\circ }\cdot {\frac {\pi }{180^{\circ }}}=2\cdot 2\cdot 2\cdot 3\cdot 5}
