Y add 13.100000000000001 add sub mul -4.01 x_3 add mul -0.887 sqrt add 5.91 mul -0.067 x_5 mul 7.8500000000000005 div mul mul x_4 x_7 x_6 add mul -0.5 x_0 mul 1.3 mul x_3 x_4 add mul -0.134 x_1 sub mul -74.9 x_2 mul -9.6 pow2 add 5.8100000000000005 mul -86.7 x_6