Y add -0.424 add sub add mul -0.61 sqrt add 3.96 mul 0.81 x_7 mul -15.5 x_5 add mul -82.9 x_1 mul 2.72 div add mul -4.0600000000000005 div x_4 pow3 add -23.5 mul -1.05 x_2 add mul 0.36 x_6 mul -2.5 x_3 x_0 mul 0.17300000000000001 x_7