Y add 0.403 sub mul 7.640000000000001 x_3 sub mul -75.4 x_2 mul 45.300000000000004 div mul inv add 16.900000000000002 mul 0.542 x_4 mul mul inv add -70.0 mul 5.34 div abs add 0.218 mul -2.57 x_1 x_1 x_4 x_0 abs add 5.25 mul -12.0 x_3