Y add -7.66 mul sub mul 50.1 cos add 0.209 mul -52.6 mul x_2 pow2 add -0.295 mul -75.0 x_1 sub mul -40.7 cos add -0.645 mul -79.9 x_1 mul 3.8000000000000003 cos add -6.3500000000000005 mul -77.10000000000001 x_0 x_2