Y add -54.2 mul pow2 add 5.74 mul -6.2 div inv add 98.30000000000001 mul 0.37 x_4 x_3 mul sub add add mul -0.584 x_6 mul -0.481 div add mul -0.735 x_8 mul -6.53 x_0 x_5 mul -75.10000000000001 tan add 4.03 mul -63.900000000000006 x_7 mul -0.764 x_1 x_2