Y add 6.59 div x_0 mul sub sub add mul 0.055 x_4 mul 79.80000000000001 div x_0 x_1 mul 1.99 mul pow2 add -7.12 mul 8.13 x_0 x_3 add mul -25.1 abs add -0.34 mul 31.5 x_2 mul 0.033 pow3 add -9.73 mul 0.179 x_6 x_5