Y add 0.7010000000000001 div sub mul 0.67 x_4 mul 5.16 x_7 mul div x_0 sub mul -72.8 x_1 mul 87.10000000000001 div exp add -0.468 mul -2.68 x_3 sub mul -5.9 exp sub mul 0.799 mul x_8 x_5 mul 9.32 x_8 mul 77.7 x_2 x_6