Y add 4.89 sub sub sub mul 0.47400000000000003 x_0 mul -0.985 x_4 mul -0.041 x_6 mul -2.29 div x_3 add mul 1.35 pow2 sub mul 28.8 x_2 mul -8.870000000000001 x_1 add mul -39.7 x_7 mul -58.900000000000006 x_5