Y add -1.57 add sub mul -9.700000000000001 x_3 mul -42.5 exp add -25.900000000000002 mul 80.80000000000001 x_4 mul 98.7 mul mul x_0 add sub mul 20.8 x_3 mul -75.9 x_0 mul 0.354 x_1 div x_2 log add 4.2 mul 0.423 x_3