Y add 0.256 div div add sub mul 0.363 mul abs add -0.046 mul -1.77 x_5 add mul 3.23 x_2 sub mul 2.2 x_1 mul 90.7 cos add 4.0200000000000005 mul -0.082 x_3 mul 0.781 x_3 mul -0.736 pow2 add 9.59 mul -8.67 x_4 exp add 0.402 mul -6.69 x_6 x_0