Y add -49.800000000000004 mul div x_2 div x_4 x_1 add mul -14.700000000000001 x_5 add mul -52.6 div pow3 add mul 0.168 x_7 mul -71.2 mul x_6 x_2 div div x_3 exp add 7.17 mul -0.063 x_8 mul tan add -77.80000000000001 mul 9.120000000000001 x_0 x_8 mul 87.10000000000001 x_0