Y add 97.30000000000001 add add mul 0.4 div mul x_0 x_3 sub mul -0.8160000000000001 inv add -0.98 mul 50.7 x_4 mul -26.400000000000002 x_5 mul -5.3 x_6 mul -86.7 mul sub mul 7.5600000000000005 x_2 mul -0.301 x_7 x_1