Y add -0.507 div mul sub add mul 0.6970000000000001 mul x_0 mul pow2 add 3.64 mul 0.973 x_1 cos add 2.5 mul -9.53 x_3 mul 2.4000000000000004 x_3 mul 34.5 div exp add -0.069 mul -5.99 x_4 add mul -84.7 pow2 add -0.324 mul 0.716 x_4 mul -0.303 x_3 x_1 x_2