Y add 9.69 sub add mul -0.4 div x_3 add mul -8.76 pow2 add -0.9500000000000001 mul -0.42 x_1 add mul 0.003 x_0 mul -0.781 mul x_2 x_3 mul 19.0 x_1 mul 0.107 exp add 5.6000000000000005 mul 3.2800000000000002 x_4