Y add -63.6 sub mul -7.22 x_1 sub mul 4.89 pow2 add -7.5 mul -99.60000000000001 x_0 add add mul -93.9 x_4 add mul 0.611 x_2 mul -28.400000000000002 div x_6 x_5 mul 0.28600000000000003 div mul x_3 x_7 x_6