Y add 0.515 div div sub mul -59.800000000000004 x_6 sub add sub sub mul 71.7 x_0 mul 0.216 tan add 9.73 mul 4.78 mul x_2 x_7 mul 0.73 x_1 mul -0.267 inv add -6.800000000000001 mul -7.8500000000000005 x_8 mul 0.447 x_5 x_3 x_4