Y add 0.402 mul div x_0 add mul -20.200000000000003 x_2 mul 52.800000000000004 x_8 div sub mul -25.8 x_3 sub mul 5.68 pow3 add -5.4 mul -52.900000000000006 x_4 sub mul -31.200000000000003 div tan add 8.52 mul 9.6 x_6 mul x_7 sub mul -87.7 tan add -0.759 mul -2.1 x_7 mul 0.621 div x_3 x_7 mul -62.300000000000004 x_5 x_1