Y add 90.30000000000001 div add mul 6.73 abs add -24.5 mul 9.36 x_2 mul -0.8160000000000001 mul tan add 15.5 mul -5.23 x_1 div sub mul -12.8 x_1 mul 8.0 x_0 add sub mul 6.62 log add 3.7 mul -0.405 x_3 mul 6.73 x_2 mul 2.39 x_0 x_3