Y add 0.971 add sub sub add mul 15.3 x_0 mul 89.4 x_1 mul 9.540000000000001 x_3 mul 2.07 div inv add 0.891 mul -3.83 x_1 mul x_3 mul sin add -9.700000000000001 mul -0.79 x_4 mul x_2 x_2 mul -28.200000000000003 x_2