Y add -0.381 div div x_1 sub mul 30.200000000000003 x_2 sub sub mul 51.2 x_1 mul 0.9430000000000001 x_4 mul 0.066 tan add 37.5 mul 7.55 mul abs add 90.30000000000001 mul 0.356 x_3 add mul 8.1 tan add -90.4 mul 0.775 x_3 mul -97.30000000000001 sin add -14.200000000000001 mul -0.178 x_4 x_0