Y add 47.400000000000006 sub add mul -45.0 x_0 sub mul 0.614 mul sub add mul 1.45 x_0 mul -9.72 x_1 mul -0.6 abs add mul 12.8 x_1 mul 6.91 x_2 abs add 1.84 mul 0.538 x_3 mul -0.28500000000000003 x_3 mul -5.23 x_3