Y add 8.86 add mul -8.76 x_2 sub mul 0.163 x_6 mul 33.300000000000004 div div mul sub mul -0.41100000000000003 tan add -0.069 mul -5.05 x_7 add mul 2.63 x_4 mul -1.78 pow2 add -72.3 mul 4.09 x_3 x_1 x_5 x_0