Y add -0.925 div x_5 mul div sub mul 66.4 x_0 mul -0.025 inv add -0.746 mul -0.269 x_4 mul div mul div exp add -0.8280000000000001 mul 0.098 x_6 exp add 91.5 mul -13.200000000000001 x_2 x_1 x_4 x_1 x_3