Y add -5.6000000000000005 add mul -79.30000000000001 x_2 sub mul -0.556 x_2 mul -89.0 mul sub mul 0.42 x_0 mul 18.2 x_1 sub mul 0.06 tan add -0.28600000000000003 mul 0.8200000000000001 x_2 mul -66.5 x_1