Y add -0.9470000000000001 div x_6 div add add mul 97.9 x_4 add mul 66.2 mul add mul -0.639 mul pow3 add -0.094 mul 21.6 x_3 x_1 mul -6.37 pow2 sub sub mul 71.5 x_5 mul -76.9 x_7 mul 4.800000000000001 x_7 pow2 add -2.2800000000000002 mul 0.052000000000000005 x_2 mul 45.400000000000006 x_3 mul 0.075 pow2 add -4.47 mul -0.001 div x_2 x_0 x_3