Y add -0.639 add mul 0.666 div add sub add mul -49.6 x_1 mul -2.29 pow2 sub mul -5.0200000000000005 pow3 add 63.0 mul 8.5 x_2 mul 53.1 tan sub mul 0.756 x_4 mul 78.0 x_3 mul -0.381 mul x_4 x_1 mul 0.9550000000000001 x_4 x_2 mul -99.60000000000001 sin add 42.1 mul -94.2 x_0