Y add 71.60000000000001 add mul -0.5660000000000001 div mul tan add 0.87 mul -15.5 x_2 mul mul div x_1 x_0 log add 51.400000000000006 mul -4.68 x_2 inv add -0.714 mul 0.37 x_3 mul x_2 x_3 mul -79.9 x_0