Y add -36.800000000000004 div x_1 div add mul 0.9 pow2 add 6.9 mul 3.93 x_0 mul -0.12 x_0 add mul 0.309 pow3 add -0.28 mul -82.60000000000001 div x_2 tan add 25.5 mul -79.10000000000001 div x_3 sin add 25.1 mul 0.08700000000000001 x_1 mul 65.4 x_1