Y add -9.5 div div add mul 7.0200000000000005 x_6 sub add add mul -13.200000000000001 exp add 8.1 mul -0.639 x_7 mul -0.642 x_2 mul -0.20700000000000002 x_4 mul 63.400000000000006 div x_5 add mul -98.10000000000001 x_0 mul -8.76 sin add -38.800000000000004 mul 4.04 x_7 pow2 add -0.20500000000000002 mul -0.631 x_7 mul x_3 x_1