Y add 0.686 sub mul 82.7 x_2 sub mul -0.428 x_2 add mul -55.7 x_5 mul 73.7 mul sub mul 91.5 x_6 mul -11.600000000000001 x_2 sub add mul -0.28700000000000003 mul x_1 x_3 sub mul 0.18 mul x_6 div x_4 x_0 mul 43.400000000000006 x_6 mul -0.156 x_7