Y add -5.300000000000001 sub mul -66.3 x_2 mul 4.15 div x_1 div cos add 0.053 mul -8.540000000000001 x_3 mul sub mul 7.13 x_2 mul 8.03 x_3 sub add mul -66.7 x_4 mul -0.856 sin add 7.8100000000000005 mul -0.911 x_0 mul -0.856 exp add -40.400000000000006 mul 2.24 x_4