Y add -0.178 mul div sub mul 0.487 div sub mul -0.296 x_6 mul -6.79 x_2 tan add 1.71 mul -8.94 x_0 mul 81.80000000000001 exp add mul 0.034 x_1 mul -22.900000000000002 x_3 inv add 0.999 mul 2.13 x_5 x_4