Y add 0.458 div div sub sub mul 12.100000000000001 mul x_5 div x_6 x_0 mul 6.5 x_3 mul 3.42 exp add -4.0 mul -4.25 x_4 sqrt add 9.3 mul -1.92 x_7 add mul -0.14400000000000002 x_2 mul -7.23 inv add -5.2 mul -0.457 x_1