Y add 8.18 sub mul 90.2 x_1 mul -89.30000000000001 mul div div x_0 div sub sub add add mul -9.07 x_3 mul -0.787 x_4 mul -13.8 cos add -7.5 mul 74.3 x_6 mul -0.5700000000000001 x_3 mul -41.800000000000004 x_5 x_6 add mul -7.140000000000001 x_2 mul 4.88 x_6 x_4