Y add -81.4 add add mul -67.3 div div add mul 0.083 div x_6 mul x_5 x_4 mul 19.3 x_1 x_7 pow2 add -0.988 mul 16.7 x_3 mul -0.41500000000000004 x_2 mul -0.92 pow3 add -2.5100000000000002 mul -0.311 div x_0 x_7