Y add -5.7 add mul -6.26 mul add sub mul -3.5500000000000003 x_6 add mul -6.51 x_7 mul 30.6 mul pow3 add 6.07 mul -63.1 x_2 cos add 2.98 mul -68.7 x_3 add mul -0.905 pow3 add -6.41 mul -0.807 x_1 mul 21.1 x_0 x_4 mul -0.636 x_5