Y add -0.904 sub mul -4.800000000000001 div div x_0 pow2 add -31.6 mul -0.096 x_2 x_3 mul 7.78 tan add -0.257 mul -5.94 div tan add -64.60000000000001 mul -5.57 x_2 tan add 12.100000000000001 mul -49.300000000000004 x_1