Y add -54.1 div x_0 add mul -7.8100000000000005 mul sub sub mul 46.400000000000006 div x_6 x_7 mul 3.54 x_5 mul -28.5 x_2 add add mul -6.8100000000000005 x_4 add mul -61.400000000000006 x_6 mul 0.591 x_3 mul 0.974 div x_5 sin add 5.12 mul 0.794 x_4 mul 0.614 tan add -8.72 mul -3.33 mul x_8 x_1