Y add -0.534 div add sub mul 9.790000000000001 div add mul -4.07 div x_4 x_5 mul -5.68 mul pow2 add 81.4 mul 0.34800000000000003 x_1 x_3 x_7 mul 4.7 log add 86.10000000000001 mul -0.097 x_2 mul -6.92 x_0 x_6