Y add 6.12 mul div div add mul 27.5 x_6 add mul -6.37 x_7 mul 0.17200000000000001 div pow3 add -7.22 mul -55.2 x_2 x_4 x_3 add mul -0.188 x_5 mul 0.918 div sin add -64.7 mul -14.200000000000001 x_8 x_1 x_0