Y add -0.668 div cos add 2.18 mul 0.974 x_3 div pow2 add mul -0.858 pow2 add -0.357 mul -1.34 x_6 mul -0.56 x_4 add mul 1.4000000000000001 mul x_4 add mul 0.063 x_7 mul 16.0 div mul x_2 add mul 0.786 x_4 sub mul -22.200000000000003 x_0 add mul 4.26 x_3 mul -0.62 x_3 x_5 mul -34.300000000000004 exp add -5.7700000000000005 mul 70.7 x_1