Y add -0.5650000000000001 div x_2 add mul -0.5750000000000001 pow2 add -0.195 mul 78.30000000000001 mul sub mul 69.3 x_3 mul -5.49 x_1 x_0 sub mul 0.509 x_3 mul -0.527 sin add -4.800000000000001 mul 18.7 x_2