Y add -2.43 sub mul 0.654 div x_4 x_3 mul -0.81 mul inv add -7.67 mul 0.114 x_1 div x_3 sub mul -0.897 pow3 sub mul 5.0200000000000005 x_1 mul -87.80000000000001 x_2 mul -89.10000000000001 pow2 add 77.10000000000001 mul -0.985 x_0