Y add 3.8000000000000003 add mul 0.20500000000000002 x_6 sub sub mul -6.86 x_0 add mul -7.47 x_3 add mul 0.671 mul x_5 x_4 add sub mul -45.1 x_1 mul -0.177 x_1 mul 6.75 cos add -1.41 mul 0.3 x_7 mul 4.34 x_2