Y add -20.900000000000002 mul x_2 add sub add mul -0.991 x_2 mul -0.043000000000000003 x_3 sub mul 0.221 x_0 mul -62.800000000000004 x_4 mul -0.62 div sub add mul -8.88 x_1 mul -3.89 x_1 mul -20.400000000000002 x_0 x_4