Y add 65.0 mul mul sub mul -5.7 x_0 mul 15.100000000000001 mul sub add mul 91.10000000000001 x_3 mul 9.790000000000001 x_0 mul -5.0600000000000005 x_3 exp add -38.5 mul 0.549 x_2 x_1 sin add 0.157 mul -7.92 x_0