Y add -78.4 mul div x_4 div cos add mul 8.85 x_5 mul 5.71 div x_6 exp add 0.62 mul -48.900000000000006 x_2 sub mul -3.0700000000000003 x_4 add mul -0.539 x_3 add mul -0.833 x_1 mul -9.02 x_6 mul inv add 19.900000000000002 mul -7.3 x_6 x_0