Y add -51.400000000000006 sub mul -2.37 abs add 1.59 mul 8.52 x_2 add mul 3.15 exp add 7.57 mul -0.729 x_0 sub mul -0.267 x_3 mul 0.354 tan sub mul 61.5 x_3 mul 0.405 inv add 38.300000000000004 mul -1.21 x_1