Y add 21.6 div x_0 div add mul 17.1 exp sub mul -0.705 x_4 mul -0.731 div x_1 x_2 mul 9.68 exp add -12.600000000000001 mul -4.73 x_0 tan add 23.0 mul -0.935 div x_2 sin add -6.140000000000001 mul 89.10000000000001 x_3