Y add -4.59 div sub mul 2.02 div div sub mul 34.9 abs sub mul 51.400000000000006 x_8 mul -0.042 x_2 mul 0.546 x_5 x_1 sub add mul 7.01 x_0 mul -0.341 exp add -43.0 mul -27.900000000000002 x_3 mul -83.5 x_7 mul 1.57 tan add -62.7 mul -8.8 x_4 x_6