Y add 9.98 mul div div add mul 40.800000000000004 exp add -84.5 mul 29.1 x_3 mul 8.200000000000001 x_6 x_5 x_1 sub mul 0.447 pow3 add -0.884 mul -31.0 div sin add 0.455 mul 0.41100000000000003 x_2 x_0 mul 7.1000000000000005 tan add -2.57 mul -0.637 x_4