Y add 68.2 mul x_1 mul exp add 0.975 mul -8.59 x_6 sub mul -83.10000000000001 div x_2 sub mul -1.78 inv add -0.20600000000000002 mul -0.725 x_3 mul 4.2700000000000005 x_6 sub add mul -1.92 exp add -0.718 mul 0.389 x_3 add mul 3.87 exp sub mul 0.96 x_4 sub mul -33.6 x_0 mul 7.68 x_5 mul 0.722 x_6 mul 11.700000000000001 x_4