Y add -10.200000000000001 div x_4 div pow2 add 0.20800000000000002 mul -6.38 x_2 add mul -43.300000000000004 abs add 39.300000000000004 mul -97.7 x_3 add mul -0.39 x_1 sub mul 1.32 sqrt add 25.200000000000003 mul 0.634 x_3 sub mul -3.74 div add mul -0.39 x_1 mul 4.58 exp add -6.68 mul -2.39 x_3 x_4 mul 9.5 x_0