Y add -3.1 mul x_0 div add mul -0.74 inv add -1.81 mul -95.80000000000001 mul pow2 add 5.11 mul -0.783 x_3 sub mul -11.100000000000001 pow2 add 91.80000000000001 mul 81.0 x_1 mul 0.002 x_2 mul -64.9 x_2 mul x_1 cos add 0.43 mul -0.442 x_0