Y add 4.24 mul x_2 mul mul add mul 0.41400000000000003 x_7 mul -1.87 x_4 sin add -0.276 mul -9.5 x_5 add sub mul 3.8000000000000003 x_3 mul -0.01 div div x_5 div pow2 add -0.309 mul -0.116 x_8 x_1 mul sub mul 0.305 x_8 mul 0.23500000000000001 pow2 add -7.29 mul 0.189 x_4 x_0 add mul 0.713 x_6 mul 73.5 x_5