Y add -5.67 mul x_1 add add mul -0.714 div x_4 x_2 mul -91.30000000000001 x_3 sub sub sub mul 54.0 pow3 add -0.123 mul -0.8210000000000001 div x_1 x_1 mul -11.600000000000001 x_3 mul -21.0 x_0 mul 7.91 x_2