Y add 6.7 sub mul -84.5 mul div add mul 5.36 exp add -0.17 mul -91.10000000000001 x_3 mul -0.646 inv add 0.621 mul 1.57 x_4 x_1 mul add add mul -5.7 x_8 mul 0.07 x_0 mul 6.62 exp add -0.54 mul -0.233 div mul cos add -0.962 mul 6.5600000000000005 x_7 x_6 x_5 x_6 mul 7.5 x_2