Y add -77.2 add mul 78.10000000000001 x_1 sub mul 73.7 x_1 sub mul 89.0 x_0 mul 1.98 mul x_3 mul sub mul -2.5100000000000002 inv sub mul -56.400000000000006 x_7 mul 2.6 x_2 mul 1.24 x_7 sub mul 0.007 inv add 43.300000000000004 mul -0.515 mul x_5 div x_6 x_0 mul 2.75 sqrt add 7.51 mul 2.29 x_4