Y add -6.6000000000000005 div mul div x_2 add mul -7.2 pow3 add -83.80000000000001 mul 0.212 x_0 mul -88.2 tan add 0.971 mul 84.60000000000001 x_3 mul x_1 x_3 inv add -68.3 mul -14.700000000000001 x_1