Y add -0.92 add mul -7.3 x_4 sub add mul -1.6500000000000001 mul x_2 inv sub mul -5.26 inv add -0.457 mul 63.800000000000004 x_1 mul 16.1 x_0 mul -2.5 tan sub mul 0.21 inv add 0.45 mul -46.300000000000004 x_4 mul 7.66 x_1 mul -7.82 x_3