Y add -0.406 sub mul 39.6 x_0 sub sub mul -8.950000000000001 x_2 mul -57.6 x_4 sub mul -61.400000000000006 mul tan add -6.5 mul 57.7 div x_1 x_3 add mul 5.94 log add 95.7 mul -8.51 x_6 mul -1.1500000000000001 x_7 mul -0.736 x_5