Y add 0.461 div add mul 0.092 mul sub mul -4.0200000000000005 x_0 sub mul -21.6 mul x_3 div inv add -7.34 mul 9.09 x_1 x_3 mul 0.154 x_3 pow3 add 99.60000000000001 mul -4.6000000000000005 x_4 mul 0.363 x_2 sub mul 33.6 x_4 mul 94.60000000000001 x_1