Y add -15.0 div div mul add sub mul 81.7 pow3 add 0.9500000000000001 mul -0.524 x_2 mul -0.611 mul x_3 add mul 0.116 x_1 mul 13.200000000000001 tan add -1.06 mul 1.08 x_7 mul 3.81 div div x_9 x_6 tan add 0.67 mul -0.92 x_4 x_8 x_5 x_0