Y add 57.900000000000006 mul div exp add 4.94 mul -8.82 x_1 sub mul 5.37 x_6 mul -72.7 div sub mul -8.02 x_7 mul 0.586 x_3 sub mul 41.900000000000006 div div x_1 inv add -7.63 mul 0.364 x_0 exp add 0.111 mul 2.88 x_2 mul 29.700000000000003 x_5 x_4