Y add -7.91 sub mul -0.662 mul x_1 mul mul x_0 sub mul 0.68 x_8 mul 10.9 mul x_4 mul x_3 x_2 x_7 sub mul 46.300000000000004 tan add 95.60000000000001 mul 6.5600000000000005 x_8 sub mul 0.58 x_6 mul 67.3 x_5