Y add -31.400000000000002 div mul x_2 x_6 div div mul tan add -40.2 mul -59.800000000000004 x_4 x_1 sub mul 80.4 div mul x_7 x_7 x_3 mul 7.86 x_5 div add add mul 52.400000000000006 x_8 mul -0.496 x_9 mul -7.7 x_0 x_7