Y add 1.73 sub mul 2.6 mul x_4 add mul 7.13 x_2 sub mul 0.005 x_3 mul -2.0300000000000002 div x_3 mul mul sub mul 48.400000000000006 x_0 mul 5.28 x_1 x_4 exp add -0.342 mul 31.200000000000003 x_2 mul 84.2 x_3