Y add 83.5 sub add mul -28.3 mul div mul sin add 0.797 mul 86.10000000000001 x_0 div x_0 sin add -9.68 mul 91.10000000000001 x_1 x_4 abs add 0.342 mul -2.71 x_3 mul -1.58 tan add 5.0 mul 0.529 x_2 mul -9.0 x_3