Y add 2.87 mul div abs add -0.006 mul 5.0 x_5 add mul 6.49 mul x_7 div sub mul 0.63 x_2 mul -0.054 div exp add 3.46 mul 0.031 div x_6 x_7 x_4 cos add -0.8300000000000001 mul 0.185 x_1 mul 4.65 x_0 sin add -3.71 mul -0.792 x_3