Y add -31.6 sub mul -0.523 div div x_7 x_1 pow3 add 7.53 mul -0.15 div x_7 mul x_3 x_0 sub mul 0.648 div x_5 x_6 add mul -70.0 x_2 mul 0.6990000000000001 div mul x_5 mul x_1 x_8 pow3 add 0.188 mul 0.671 x_4