Y add 8.39 mul div sub mul 64.8 pow3 add -49.0 mul 77.80000000000001 div pow2 add 4.3 mul 0.038 x_1 x_2 mul -91.0 div div div x_3 div add mul 5.64 x_7 mul -0.163 x_5 x_6 x_0 pow2 add 1.11 mul -6.390000000000001 div sqrt add 7.53 mul 2.59 x_1 x_4 x_1 x_1