Y add -1.55 sub sub mul -0.213 x_6 mul -0.298 div pow3 add 80.60000000000001 mul -0.659 x_0 add add mul -21.3 x_2 sub mul 0.215 pow3 add 5.98 mul 29.5 div x_1 x_7 mul -0.14200000000000002 x_3 mul 73.0 tan add -28.700000000000003 mul -0.17 x_5 mul -38.900000000000006 inv add 8.88 mul 0.878 mul x_4 x_8