Y add 8.6 div sub mul -0.9410000000000001 div x_4 x_4 mul 9.49 log add mul 20.5 abs add -78.7 mul -6.62 x_1 mul -3.1 abs add 85.30000000000001 mul 0.041 x_3 mul sub mul -0.445 x_0 mul 82.10000000000001 x_4 x_2