Y add 97.0 div sub mul 4.18 x_4 add mul -0.812 x_0 mul 57.0 x_2 mul pow2 add 9.05 mul 64.10000000000001 x_1 div x_2 add mul 4.78 mul x_4 exp add -42.400000000000006 mul -0.091 x_4 add mul 0.34500000000000003 x_4 mul 0.005 x_3