Y add 4.96 add mul -86.30000000000001 x_4 sub mul 64.10000000000001 x_6 sub mul 66.2 div mul div div sqrt add 9.14 mul 0.879 x_5 add mul -8.21 cos add 82.4 mul 42.300000000000004 x_4 mul 0.211 x_3 x_8 cos add -37.4 mul -87.5 x_7 inv add mul -8.38 x_0 mul -94.10000000000001 x_1 mul 2.6 x_2