Y add -44.400000000000006 add mul 1.44 div add sub mul -0.43 inv add -30.700000000000003 mul -3.58 x_0 mul 0.487 x_0 add mul -0.183 x_3 mul 0.87 mul x_1 div x_4 exp add -0.6990000000000001 mul -2.0 x_4 x_1 mul 81.9 pow2 add 82.4 mul -6.4 x_2