Y add -6.65 mul div add mul -2.1 x_1 sub mul -0.709 cos add -0.81 mul 8.02 x_4 sub mul 0.777 x_7 add mul 0.547 x_2 mul -6.36 tan add 16.900000000000002 mul -0.555 x_8 x_3 mul mul x_3 x_0 add add mul -67.60000000000001 exp sub mul -29.0 x_7 mul -68.10000000000001 x_6 sub mul -0.436 x_3 mul 0.721 inv add -77.60000000000001 mul -9.600000000000001 x_5 mul 96.2 x_7