Y add -61.800000000000004 sub sub mul -0.261 mul cos add mul -3.34 abs sub mul 79.2 x_4 mul 48.6 x_4 mul -49.900000000000006 x_3 mul cos add 82.7 mul -3.8000000000000003 x_3 mul x_0 x_1 mul 0.511 x_2 mul 9.01 x_2