Y add -7.58 sub sub mul 44.0 x_5 sub mul 0.281 x_3 mul 0.445 x_4 mul 91.30000000000001 mul add mul 6.21 x_7 add mul 87.30000000000001 tan add mul 0.43 pow2 add 0.901 mul 0.63 x_6 add mul -0.556 tan add 0.381 mul 1.1300000000000001 x_0 mul 0.81 x_4 mul 7.7 pow3 add -9.8 mul 0.538 x_1 sub mul -0.002 x_8 mul -5.0600000000000005 x_2