Y add 0.212 div mul x_4 div x_0 sub mul -85.4 x_3 mul 2.7 x_4 div x_0 mul add mul 5.86 x_2 sub mul 0.33 div add mul 83.60000000000001 x_1 mul 0.844 x_5 mul x_4 pow2 add -86.0 mul -64.7 x_6 mul -91.30000000000001 tan add -83.80000000000001 mul -8.950000000000001 x_7 inv add -44.5 mul 64.7 x_1