Y add -55.5 add sub mul 6.04 abs add 0.778 mul 5.92 x_4 sub mul 1.08 pow2 add -84.2 mul 3.2 x_3 mul -15.0 x_0 add mul 8.700000000000001 exp add mul 9.55 cos add -2.71 mul 6.3 x_1 mul 0.6990000000000001 x_4 mul 9.83 x_2