Y add -99.4 div pow3 add 0.583 mul 69.5 x_4 sub mul 63.900000000000006 div mul pow3 add -77.60000000000001 mul 99.30000000000001 x_3 mul sub mul -71.60000000000001 exp add 78.9 mul 49.1 x_2 mul 5.93 x_0 x_4 x_1 mul -63.800000000000004 x_3