Y add 21.8 add sub mul 0.27 x_4 mul 0.859 x_1 add mul 61.400000000000006 x_1 sub mul -0.653 tan add mul -1.97 x_3 mul 6.6000000000000005 x_4 add mul -78.9 tan add -0.611 mul 0.218 x_3 mul -31.1 sin sub mul -2.7 sin add -90.9 mul -2.6 x_2 mul 29.900000000000002 x_0