Y add 1.07 sub mul 68.5 abs add 0.155 mul 0.501 x_0 mul 3.7800000000000002 mul x_7 mul pow3 add 16.6 mul -2.47 x_5 add mul 81.4 mul x_2 add sub mul 0.616 x_3 sub mul -13.4 x_1 mul -1.83 x_4 mul 28.0 pow3 add -15.200000000000001 mul -0.332 x_6 mul 0.793 tan add 0.484 mul -0.212 x_8