Y add 5.7 sub mul 87.5 x_3 mul 4.54 div div mul add mul -0.638 x_0 mul 0.427 x_6 x_5 sub mul -0.442 div x_2 x_5 mul 0.8220000000000001 div x_7 exp add -47.900000000000006 mul 81.10000000000001 x_1 add mul -0.445 x_4 add mul -0.727 x_6 mul -92.4 x_2