Y add 56.6 div inv add 35.9 mul -0.329 x_0 add mul 89.30000000000001 x_3 add mul 13.100000000000001 pow2 add -0.534 mul -0.196 x_2 mul -1.67 sin sub mul -0.061 abs add 26.8 mul 0.106 x_1 mul 0.404 x_2