Y add -30.700000000000003 add mul 65.4 mul sqrt add 66.4 mul 21.3 x_0 x_1 sub sub mul 50.900000000000006 x_3 mul -0.248 mul x_2 add mul -89.4 x_3 mul 0.163 abs add -47.800000000000004 mul 2.45 x_1 mul -0.436 x_2