Y add 2.2 div x_0 sub mul -42.1 inv add -87.60000000000001 mul -0.899 x_2 mul -0.729 div add mul -0.16 x_1 mul 7.63 mul x_3 sub mul 18.400000000000002 pow3 add -0.059000000000000004 mul 0.431 div x_3 pow2 add 89.0 mul -89.80000000000001 x_2 mul -0.11800000000000001 x_4 mul x_1 cos add 0.648 mul 7.73 x_4