Y add 8.21 add mul 0.8 tan add 1.0 mul 0.179 x_3 sub sub add mul -63.300000000000004 mul cos add 59.900000000000006 mul -0.45 x_1 inv add 0.928 mul 0.717 x_4 mul 3.12 x_3 mul -0.9 div div x_2 x_4 x_0 mul -48.6 x_0